# Trigonometry

### Featured Answers

### Right Triangles

- The Pythagorean Theorem
- Special Right Triangles
- Basic Trigonometric Functions
- Solving Right Triangles
- Measuring Rotation
- Applying Trig Functions to Angles of Rotation
- Trigonometric Functions of Any Angle
- Relating Trigonometric Functions
- Radian Measure
- Applications of Radian Measure
- Circular Functions of Real Numbers
- Translating Sine and Cosine Functions
- Amplitude, Period and Frequency
- General Sinusoidal Graphs
- Graphing Tangent, Cotangent, Secant, and Cosecant
- Fundamental Identities
- Proving Identities
- Solving Trigonometric Equations
- Sum and Difference Identities
- Double Angle Identities
- Half-Angle Identities
- Products, Sums, Linear Combinations, and Applications
- Basic Inverse Trigonometric Functions
- Graphing Inverse Trigonometric Functions
- Inverse Trigonometric Properties
- Applications and Models
- The Law of Cosines
- Area of a Triangle
- The Law of Sines
- The Ambiguous Case
- General Solutions of Triangles
- Vectors
- Component Vectors
- Polar Coordinates
- Graphing Basic Polar Equations
- Converting Between Systems
- More with Polar Curves
- The Trigonometric Form of Complex Numbers
- The Product and Quotient Theorems
- De Moivre’s and the nth Root Theorems
- Three angle of a triangle are[5×-1] [3×+15]and[2×+1]find the value of ×and hence the largest and smallest angle?
- Simplify #(sin^2x+cos^2x)/(sinx+cosx)#?
- If #3coshx+sinhx=3# find #cothx#?
- A triangular playground has angles with measures in the ratio 7 : 3 : 5. What is the measure of the smallest angle?
- 1-tan square theta / 1+tan square theta =1-sin square theta ?
- In a right angled triangle #ABC# right angled at #B# prove that #(AB)^3+(BC)^3<(AC)^3#?
- The maximum value of the function f(x)=(3cosx-2)^2-2 ?
- How do you prove that cos^4x-sin^4x=cos(2x) ?
- What is the formula of (1-cosx)/sinx ?
- (Cos^2x-1)(tan^2x+1)=1-sec^2x?
- Sec thita -1÷ sec thita +1 =(sin thita ÷ 1+ costhita)^2 ?
- Convert from degree to radian?
- What is the other trigonometric functions if the tan=1/2?
- How do we express #csc(-7498^@)# in terms of smallest angle in #Q1#?
- Solve cos x - sin x tan x + 1 = 0 for 0°≤x≤360° ? need the solution asap, thank you.
- Solve #tan2A=cot(A-18)# #0<theta<90# ?
- If #\sin x = \frac { 4} { 5]#, what is #sin 2x#?
- How do you evaluate #\cot (45^\@ )-\cos (30^\@ )#?
- How do I verify the following trigonometric identity? Cot^2x-cos^2x/csc^2x-1=cos^2x
- What is the polar equation with the same graph as (x+2)^2 + (y-1)^2 = 5?
- How do I verify the following trigonometric identity? 1+sinx/cosx=cosx/1-sinx
- If cos A = -4/5 how do you find tan 2A?
- Solve sec x = 1.788, 0°<x<720° ?
- How tall is a bridge if a 6 foot tall person standing 100 feet away can see the top of the bridge at an angle of 30 degrees to the horizon?
- How do you solve this trigonometric identity: (senθ+cosθ)^4+(senθ-cosθ)^2= 2(tan^2θ Cos^2θ + cot^2 θsen^2θ) ?
- Find x where 0<=x<=2pi sin x - cot^2 x = 1 Anyone know how to do these things??
- Please help me solve the equation?
- Write 3cosx-4sinx in the form k(sinx-β)?
- If #Sin A =2/3# where #0°< A < 90°#, what is the value of #Sin 2A?# Please help me find the value?
- If #tan theta = 5/6# and #tan phi= 1/11# then find #tan (theta + phi)# hence show that #(theta + phi) = (pie)/4# ?
- Find the value? #(Tan85^@ - Tan25^@)/(1+Tan85^@Tan25^@)#
- Find the value of? #tan15^@+cot15^@#
- How do you solve #cos3x=-1/2#?
- Find the value of sin 120°+ cos 120°?
- How do I found out the solutions using double angle formula for:?
- How To Prove ? TanA(1+Sec2A)=Tan2A
- Tan (pie/4+x)/tan (pie/4-x)={(1+tan x)/(1-tan x)}^2??
- Answer The Value? 96Sin65° Sin35° Sin80°/Sin20° +2Sin80° Cos30°
- A roadway rises 55ft in horizontal distance of 1/2 mile. Find the tangent of the angel that makes the horizontal 1mi=5280ft?
- How to Prove ??? #(sinA+cosA)/(cosA-SinA) = tan2A+sec2A#
- If sin a=24/25 cosB=20/29 Find tan(a-b)? , Both are in quadrant one
- Find the value ? #sin105^@ + cos105^@#
- What does the graph of the seventh root of unity look like on a unit circle like the one in the pictured attached?
- Prove It? Sin3θ/Sinθ-cos3θ/cosθ=2
- How do you solve this equation: cos(4x- Pi/4)= √2/2 ?
- How do you write the following complex number in rectangular form?
- How do you write the following complex number in rectangular form?
- How do you find sin if tan is 4?
- Why the cosine and sine function can not go beyond -1 and 1?
- How can i solve this equation: 2sen^2(t)-cos(t)-1=0 ?
- How to make r=1 to rectangular form?
- How do you solve this equation: csc^4 2(u)-4=0 ?
- Sin(8π+theta)?
- Prove that? # cot 15^@ = 2+ sqrt3#
- If 2Cosθ = x+1/x So, Prove That ? Cos2θ = 1/2(x²+1/x²)
- Cos2A+tanA = cosec2A Prove It ??
- Find the exact value of tan(-15°) ?
- Solve the equation cos θ + 4 cos 2θ = 3, giving all solutions in the interval 0◦ ≤ θ ≤ 180◦ how do we solve it ? .
- How do you find the general solution to the equation #6cos^2x-cosxsinx-sin^2x=0#?
- How to find the general solution of: ?
- How to write 2sinθ - 4cosθ in the form rsin(θ - α)?
- Can anyone help me to solve this part ?
- How to use t-substitution to solve sinθ - 2cosθ = 2?
- What is the Value of cos(5pi /4)?
- How do you solve the equation #3sin2theta - 2cos2theta = 2# for #0 <= theta <= 2pi#, using the substitution #t=tantheta#?
- How do you express #2costheta + 2cos(theta + pi/3)# in the form #Rcos(theta + alpha)#, where #R>0# and #0< alpha <pi/2#?
- Provev that:cos2x/cosx-sinx=cosx+sinx?
- Find the reference angle of 130° ?
- Cot x/2=-k then tan x=?
- Convert #pi*r/18# to degrees ?
- How do you solve #sin(2x-1)=sin(3x+1)# ?
- Suppose that β is an acute angle and sec β = 11 . 3. How to do the following?
- How do I solve for 0 <= x < 2pi? tan x - sec x +1 = 0
- What is tan^2 x can be expand? Like tan . tan ?
- What is the value of sin theta if cos theta = -2/11 and is in the second quadrant?
- Convert into degree measure 3/Π ?
- Find exact value of tan(t+x) if sin(t)=3/5 and sin(x)=12/13 and t and x are between 0 pi/2?
- #arctan((6x-8x^3)/(1-12x^2)) - arctan((4x)/(1-4x^2)) = arctan2x# : |2x| is smaller than 1/root 3. PROVE THAT?
- #Sinx(1-cosx)^2+ cosx(1-sinx)^2=2# prove it?
- In which quadrant is the terminal side of 270 degrees located?
- How do you simplify 2tanx-(1+tanx)^2?
- X=37 degrees, y=75 degrees, a=6. Using the law of sines, how do you solve the triangle, finding all parts of the triangle?
- How do you find tan θ if cos(-θ)= 12/13 and θ is in quadrant IV?
- How do I solve csc^2x-2cscx = 2 - 4sinx for [0,2pi)?
- Can you find the exact value of the following?
- #cos 70^circ sin 20^circ #?
- Using #sin^2x+cos^2x=1# and other trig properties, simplify the following: # {cos^2 x tan^2 x }/{ 1-sin^2 x}# ? Show all work.
- The two acute angles of a right triangle have degree measures of x and y. If #sin#x = #5/13#, what is the value of #cos# y?
- What is the exact values of 3 sinx= 0.90?
- Solve the equation #3sin^2x+cos^2x-1=0# for #x in [0, 2pi]# ?
- Express as a function of a positive acute angle:? cos 240 sin(-110)
- Express cos4x as powers of cosx. ?
- How to find tan(-pi)?
- Can u pls simplify this cosh (3x/4)?
- How do you use cosine rule to sketch y = sin 3x without technology?
- Given that D is a point lying on the line through B and C find 2 possible vectors of point D?
- Prove It ?? Sin10°Sin50°+Sin50°Sin250°+Sin250°Sin10°=0
- Given the point (6,-8) on the terminal side of ø in standard position, find the exact value of csc ø?
- Find the equation of a line that passes through the point (5,-1) and has a slope equal to tan 135 degrees?
- What is the principal value of angle A? 2tan A= -sec^2 A
- A photographer points a camera at a window in a nearby building forming an angle of 44° with the camera platform. If the camera is 56 m from the building, how high above the platform is the window, to the nearest hundredth?
- Given sinx=45 and cosx=35 . What is ratio for tanx ?
- How do you solve sin(x)-cos(x/3)=0?
- Sinx/1+cosx+cosx/sinx=1/sinx?
- Expand using DeMoivre's formula? (2sqrt3 -2i)^5
- Change these rectangular coordinates to polar coordinates: (3, -3). Give answer in degrees and simplify radicals if necessary?
- Change polar coordinates to rectangular coordinates: (6, 210°). Give answer in radians and simplify radicals, if necessary?
- How does one find sin2x, cos2x, and tan2x if x is in quadrant IV and equals -2/#sqrt13#?
- 2cos^2x-sinx=-1?
- A kite is 100 feet above the ground. How many feet of string is being used if the angle of elevation is 35 degrees?
- In right triangle ABC, m∠C = 90°. if cos B = 5/13, which function also equals 5/13? I need help quick please!
- If z = 2cis120°, find z2 in polar form?
- How can you prove #(Seca+coseca)/(tana+cota)=sina+cosa#?
- What is tan²2x?
- How do you find the points of intersection of #r=1/sin(Theta)# and #r=3-2sin(Theta)# ?
- -(sin^2x+cos^2x)?
- SOLVE to the nearest four decimals?
- Is this possible to factor? #3sin^2θ-cos^2θ-1#
- Given sin 30degree=1/2 and sin 45degree=1/squareroot2. Find the exact value of sin 75degree and cos 75degree?
- The function y=Asin(x)+7 has a maximum value of 19. What is it’s minimum value?
- How do you answer this question?: Find the complete solution in radians: sin^2(θ) -1=cos^2(θ)
- Solve 2sinxcosx-sqrt2cosx=0 for 0 <=x<=360degree?
- How to find all solutions to the following equations in the interval 0 ≤ θ < 2π?
- Simplify completely: cos 75˚ cos 10˚ - sin 75˚ sin 10˚?
- Simplify completely: 1 – 2sin2 50˚?
- How do you multiply (7(cos 23+isin 23)) (4(cos 7+isin 7))?
- Express #z_2=4+4i# in polar form?
- Tan×+cosx÷1+sinx?
- SIMPLIFY: csc(x) sin(x) + sin(x) − csc(x) ?
- What is sinx equal to?
- If tan theta = 7/2 find sin theta ?
- 1 The sum of the three smallest positive values of theta such that 4(cos*theta)(sin*theta) = 1 is k*pi. Find k?
- Determine the angle values x (0 <x<2P), for which the following functions are real?
- What is difference between #2cosx# and #cos2x#?
- How to convert 10 radian in degree minutes and seconds ?
- Prove that ? Cos10°cos20°+Sin45°Cos145°+Sin55°Cos245° = 0
- What are the exact values of cos 150° and sin 150°?
- Prove That ?? #Cos((3π)/13 )+ Cos((5π)/13) - 2 Cos((9π)/13) Cos((12π)/13 )= 0#
- Prove That ??? Cos306°+Cos234°+cos162°+Cos18° = 0
- Simplify the expression csc(arccos(x)) step-by-step?
- Solve #cot (x/2) = sqrt(3)/3# ?
- How to find all solutions to the following equations, writing your answers in radians using exact values only?
- Cosπ/6 -(1/2)cos2π/6 + (1/3)cos3π/6 -(1/4)cos4π/6+.....(upto infinity) is equal to ? a)ln((√3-1)/√2) b) (1/2)ln(√3-1) c)-(1/2)ln(2+√3) d) ln(√2+√3)
- How do I show that both sides of these trigonometric identities are equal to each other?
- #cos⁻¹(sqrtcos α)−tan⁻¹(sqrtcos α)=x# ,then what is the value of sin x ?
- How do you find the derivative of #cos^-1(-1/x)# ?
- Expand the Trigonometric Expression -sec²(π/4 - x )?
- What are the sine, cosine, and tangent of #theta = (3pi)/4# radians?
- # Sin^2(π/12)+sin^2(3π/12)+sin^2(5π/12)+sin^2(7π/12)+sin^2(9π/12)+sin^2(11π/12)=? #
- How do I solve #6csc^2x=cotx+8# if #o<x<360#?
- How to solve #cos^2theta-costheta=0# if #0<x<360#?
- How to solve #cosxtanx+tanx=cosx+1# if #0<x<360#?
- How to solve #4sintheta=3cosectheta# if #0<x<360#?
- 1.sin780.cos390+sin(-390).cos(-300)=?
- How to Find the equation in polar coordinates of the line through the origin with slope 1/5? θ=
- How to do this: #(sqrt3)+1)cos^2x-1 = (sqrt3-1)cosxsinx # for x from 0 degrees to 360 degrees inclusive?
- What is sec(x)-cos(x) simplified?
- # Sin^2(π/12)+sin^2(3π)/(12)+sin^2(5π)/(12)+sin^2(7π)/(12)+sin^2(9π)/(12)+sin^2(11π)/(12)=? #
- From a hot air balloon 2 km high, a person looks east and sees one town with angle of depression of 16 degrees. He then looks west to see another town with angle of depression of 84 degrees. What is the distance between the two towns ?
- How do you solve? #2(sin x)^2 − cos x − 1 = 0#
- How to simplify #(tan^2 theta csc^2 theta-1) / sec^2 theta#?
- Solve the equation 2sin(2x-π/3)+1=0 on the domain -2π ≤ x ≤ 0?
- Find an angle between 0 and 2π that is coterminal with −9π/2? .
- Find all solutions for the following equations sin(2x)+sin(π/2-x)=0 ?
- Write the following complex number in trigonometric form. Write the argument in radians, and if possible, use the exact form. Otherwise, use a decimal approximation rounded to the hundredths place. −5 − i How do I solve this?
- Convert all complex numbers to trigonometric form and then simplify the expression? Write the answer in standard form.
- How do you write this complex number in rectangular form #sqrt8 "cis"(-pi/3)#?
- Please help me find what the cos2 is equal to?
- 1.#cos^2(π/24)+cos^2((19π)/24)+cos^2((31π)/24)+cos^2((37π)/24)= #? solve this
- Find in radian measure of arctan(1/2)+arctan(1/3)?
- Prove that #1+(cos105+cos165)/(sin105+sin375)=0#?
- Find cot x and sec x give that sin x= 1/6 and cos x >0?
- Find sin x and cos x given that cot x=2 and cos x <0?
- I need an explanation of how arcsin and arctan and arccos work and to also solve these two: tan[arcsin(-3/5)] arccos[cos(5PI/4)] ?
- Convert all complex numbers to trigonometric form and then simplify the expression. Write the answer in standard form.? #((2+2i)^5 (-3+i)^3) /(sqrt 3+i)^10#
- How your verify #1/8[3+4cos2x+cos4x]=cos^ 4x#?
- If tan alpha=x+1 & tan bita=x-1 Then find what is 2cot(alpha-bita)=?
- What is the exact value of cos(2tan^-1(12/5))?
- Sin2x+cosx=0 solve the equation on the interval 0,2pi?
- Cos(x)=sin(x). Then the value of cos^4x + sin^4x=?
- How to convert #r=8+3costheta# to rectangular form?
- Solve each equation for 0 ≤ theta < 2pi: 2 cos theta =- square root 3 sin theta + cos theta?
- Can you prove sec theta-tan theta times sin theta=cos theta?Explain why.
- Prove that (1+cosx)/sinx=sinx/(1-cosx)?
- Solve the quation 3sin x = 1 for 0° ≤ x ≤ 720° .?
- Privé that (1+cosx)/sinx=sinx/(1-cosx)?
- How to simplify 1-csc^2x?include identity used
- Please could you explain how sin(x) + cos(x) = sqrt(2)sin(x+45)? I understand how you get sqrt(2) through sin(x)cos(45)+cos(x)sin(45). But I don’t. Understand how you end up with sin(x+45) or sin(x+π/4) depending on how you see it. Thanks a lot
- How to solve 3sin(x)=cos^2(x)?
- How do I express -3+4j and -3-4j in complex polar form, using radian measure?
- #cosx+sinx=sqrt(cosx)#?
- What is the bearing that the control tower should use to locate the aircraft?
- Sin 30° - cos 30°/sin 60°?
- Evaluate the following sin 30°- cos 30°?
- Evaluate the following 2 sin 60°- cos 30°?
- A pole leans away from the sun at an angle of 6 degrees to the vertical. When the elevation of the sun is 58 degrees, the pole casts a shadow 46ft long on level ground. How long is the pole?
- Find the exact area bounded by the curve y=cos 3x, the x-axis and the line x=0 and x=π/12?
- A pole leans away from the sun at an angle of 5 degrees to the vertical. When the elevation of the sun is 56 degrees, the pole casts a shadow 43 ft long on level ground. How long is the pole?
- Prove: #3cos^-1x=cos^-1(4x^3-3x)#?
- Assume that #theta# is an acute angle in a right triangle satisfying the given condition. Evaluate the remaining trigonometric functions ? #sin theta= 4/11#
- How do you prove that #cos^2theta - cos^2 3theta = sin4thetasin2theta#?
- How solve sin^2 theta=2/3 ?
- How do you calculate sin^-1 (1.16)?
- Please what is -39 degrees in radians?
- If x is on quadrant 2 and tan x = a , then make another comparison of trigonometry (?)
- CotA =5/12then sinA+cosa=?
- How to find the exact solutions which lie in [0, 2π) for cos(5x) = −cos(2x)?
- Let tan x = 2.4, sin y = 0.6, and both x and y be between 0° and 90°. Then cos(x + y) equals?
- How do I convert #r=3+3sec(theta)# to a Cartesian equation?
- Can you please this trigonometric equation? cosh(x + y)= cosh(x) cosh(y) + sinh(x) sinh(y)
- Can you please prove sinh(2x)= 2 sinh(x) cos(x)?
- How do you sove for the Cos of 450 degrees?
- Prove? (sin4a+2cos3a-sin2a)/(cos4a-2sin3a-cos2a)=-ctg3a
- What is the exact value of: tan[arcsin(-12/13)-arccos(-3/5)]?
- How do I prove this identity? 2-tanx/2cscx-secx=Sinx
- Prove That ? (Sin75°+Sin15°)/(Sin75°-Sin15°)=√3
- Prove That?? (cosα-cosβ)²+(Sinα-sinβ)²=4sin² α-β/2
- What is -0.6 radians in degrees?
- Does #sin^2theta-cos^2theta=1-2sin^2theta#?
- How to prove that #(2cos^3theta-costheta)/(sinthetacos^2theta-sin^3theta)=cottheta# ?
- Please answer it ?
- What does cot equal ? in terms of sin ,cos and tan
- From a hot air balloon 2 km high, a person looks east and sees one town with angle of depression of 16 degrees. He then looks west to see another town with angle of depression of 84 degrees. What is the distance between the two towns?
- If TanX+1/tanX=2 then show tan2X+1/tan2X=2?
- Angle A is the complement of angle B. Which equation about the 2 angles must be true? A. Sin A = Sin B B. Sin A = Cos A C. Cos B = Sin B D. Cos A = Sin B Explain.
- Please help me solve the equation?
- How do you solve #sin(pi/5-pi/2)#?
- How do you find exact value of sin (19pi/12)?
- Write the complex number in trigonometric form? using both degrees and radians 1 − i
- How do I prove the identity #tan theta sin theta + cos theta -= sec theta# ?
- Show prove the below identity? #1/cos290 + 1/(sqrt3sin250) = 4/sqrt3 #
- Question about sinusoidal models?
- Suppose α is an angle in standard position whose terminal side lies in Quadrant III. If tan α = 2 3 , find the value of sin α?
- The expression 1+cos2x/sin2x is equivalent to ?
- How can simplfiy sin(x+5*pi) ?
- What are the solutions to 10(sec^2)x+5(tan^2)x-15=0 over the interval (0,2pi)?
- Pg 23, q35 How do I figure this out? thanks
- How to find the general solution 5 sin(x)+2 cos(x)=3?
- To prove #(1+sin theta -cos theta)/(1+sin theta + cos theta) = tan (theta / 2)# ?
- Solve the equation sin x + sin 2x = 0 , for 0°< x < 360°?
- Find value of y when x = 45?
- How do you simplify it??
- Verify Cos^2x-cos^4x=sin^2x-sin^4x?
- How do you solve #\frac { 2\sin \frac { 5} { 6} \pi + \cos x } { \tan \frac { \pi } { 2} + \cos \frac { 2\pi } { 3} } = 0#?
- Sin(theta)/1+cos(theta)=1-cos(theta)/sin(theta) can someone help?
- Cot x/ tan x × sec²x = cosec x how? prove it
- How do you prove sinx-cosx/sinx+cosx-sinx/cosx=2-secx cscx?
- How do you simplify #cos(45^@+a)cos(45^@-a)-sin(45^@-a)sin(45^@+a) #?
- How do you find the amplitude and period of y=4sinx?
- #cot^-1x + cot^-1(1+x)=pi/4#?
- #xsinx# is even or odd,?
- How do we find #tan(-120^@)#?
- Express #z_1=sqrt(3)-i# in polar form?
- Solve (sinx)(tanx) = 3sinx for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian ?
- How to verify identity of sin 4x tan 2x = 1 - cos 4x ?
- How do you show that tan (θ) has period π in terms of a unit circle?
- Solve #{ 2+2sin2x } /{ 2(1+sinx)(1-sinx) } =sec^2x+tanx# ?
- If #cos^-1(x) + cos^-1(y)=pi/2# and #tan^-1(x) +tan^-1(y) =0# then find the value of #x^2+y^2+xy#?
- The longer leg of a 30°-60°-90° triangle is #5sqrt3#. What is the length of the hypotenuse?
- How do I fix my calculator display?
- Solve the following equation in the interval [0, 2pi]. 2(sin(t))^2-sin(t)-1=0?
- SinA=1/2 ho to tan3A=?
- Find the exact solutions on the interval from (0, 2pi) sinxtanx=tanx ?
- Find the exact solutions on the interval from (0,3pi) 4sin^2x+4cosx-5=0?
- Find the exact value? #2sinxcosx+sinx-2cosx=1#
- Find the exact value? #3-2sin^2x=3cosx#
- How to find cos(π/8) value,not exact values but in rational numbers?
- Write an equivalent expression for sin x/2 using compound angle formulas?
- For how many values of n with 0≤ n≤ 100 is graph of f(x)=sin(x+n) identical to the graph of g(x)=cox x?
- If z = 2cis120°, find z2 in polar form?
- If z = -1 - i, find z10 in polar form?
- Find the exact value using the half angle identify? #tan(7π/8)#
- Solve algebraically? cos(x-Pi/4)+cos(x+pi/4)=1 for 0 ≤ x≤ 2pi
- How do I find out 0=arctan 9÷5 answer in degrees? Thanks
- Is it true that (1-cos^2x)=((1+cosx)(1-cosx)?
- Find the peroid of the function. sin (3x)?
- Evaluate the expression? #sin(cos^(-1)(3/4)-sin^(-1)(1/2))#
- How do we find angle of like negative integer is there like cosx=-1/3 normally for positive cosx we take angle in first and fourth quadrant but what if it is like I wrote above negative And how to find angle if range start from negative I.e.-180 to 180?
- Help with this question?
- Exact Value for sec (-600)?
- Find the values of *k* for which #vec(AB)# is a unit vector.?
- How do you prove the identity? tan θ(tan θ+cot θ)=sec^2 θ
- Cos(sin-¹ (-3/5)?
- How to show? tan(90◦ − A) sec(180◦ + A) cos(90◦ + A) = 1
- What are all the options for x in 2tanx=3sinx?
- How? If tan α = k, where k > 0, find the possible values of sin α and sec α.
- Verify the identity secx/(cotx+tanx)=sinx ?
- Cos 2x + 2sin 2x + 2 =0 ?
- What is the length of the hypotenuse of a right triangle whose legs have lengths of 5 and 12?
- Plz help me how unit circle works plz ?
- Hi what is the exact value of -(pi/12) ?
- How do you prove the identity?
- Solve the triangle ABC, if the triangle exists. B=33 degrees 42' a=37.1 b=27.9?
- How do you simplify #(1-cos^4x-sin^4x)/(sin^4x-2sin^2x+1)#?
- Sinβ+2 sin5β+ sin9β <--Express as a product Can someone help with this?
- How do you calculate cos(tan- 3/4)?
- How do you solve this? Solve the equation for exact solutions in the interval [0degrees,360degrees). Use an algebraic method.
- Evaluate cot(arcos(1-1/x)) ?
- Find the sum of the three smallest positive values of θ such that 4 cos^2(20-π)=3?
- How do you evaluate csc(arctan(πx))?
- Use the information about the angle θ to find the exact value of?
- Solve, find all solutions for cot(x)cos(x)+cot(x)=0 in [0,2pi) ?
- What is the inverse of f(x)=pi*arccos(x-1)+1?
- How do you solve Sin(x)Cos(x)+Cos(x)Sin(x)=1/2 if 0<=x<2pi?
- How do I solve #sqrt3 tan3theta + 1 = 0#?
- Given one trigonometric function, how to find the following?
- Verify the identity?
- For angles u and v in quadrant II, if sin u = 3/5 and cos v = –5/13, how do you find the exact value of sin (v – u)?
- Simplify, evaluate if possible using the unit circle: #cos(pi/9)cos(pi/18)-sin(pi/9)sin(pi/18)# ?
- How do you solve? (1+tanx)(5sinx-2) = 0 from -180<x<180
- Answer this please ?
- Pls help me calculate the numerical value of E=sin(13π/2 + α)*cos(135π- α)?
- How do we solve this please ?
- -Cos110.Sin10-Sin70.Cos10=?
- 2 tan square 45 degree + cos square 30 degree -sin square 60 degree?
- Like Tan2x = 2Tanx/1-Tan²x , What will be the expansion of Tan²2x or (Tan2x)²?
- How can you solve for tan theta in tan (theta) + tan 3 (theta) /1 -tan (theta) *3 (theta) = -1 with your answer in a surd form?
- How do you evaluate #\frac { \sin ^ { 2} 15^ { \circ } + \sin 75^ { \circ } } { \cos ^ { 2} 36^ { \circ } + \cos ^ { 2} 54^ { \circ } }#?
- If cos theta =2/3,find theta where 180°<theta<360° What is the theta?
- If A,B,C are the angles of a triangle,then the value of sin^2A+sin^2B+sin^2C-2cosA.cosB.cosC=?
- The solution set of tan2x=1 [0,1]?
- How do you solve #x- 4\cos x = 0#?
- Solve for #x#: #2tan^-1(cosx)=tan^-1(2cscx)#?
- What is #B# in the equation #sin B = .7547#?
- 1-cosA/(1+cosA) value?
- Help proving please?
- 1+ 4cosec^2 A.cot^2A - make it in perfect square form?
- How do I solve #cot^2 theta +sqrt3 cot theta = 0#?
- 1/3cos30°/1/2sin45°+tan60°/cos30°?
- Prove that sin square A + sin square A - tan square A = tan square A ??
- How is Tan ax = cot bx ?
- Quadratics and functions, Help please ?
- From two points a and b on the same side of a building are 30° and 60°. If the height of the building is 10 meters find the distance between a and b?
- Identities, Please Help??
- Write the trigonometric expression as an algebraic expression in u. sec(arcsine u) ?
- Use a double or half angle formula to determine value of cos(13π/12)?
- The polar coordinates of Point P are What are the rectangular coordinates of P?
- Approximate how many inches the weight rise if r=10 inches and the pulley is rotated through an angle of 52.5 degrees?
- Finding (i)#tanAtanB#, (ii)#tan(A+B)#, (iii)#sin((A+B)/2)# using Addition Formulae?
- Please solve q 20?
- Please solve q 8 ?
- Please solve q 18 ?
- Please solve q 3?
- The solution of the equation #sin 7x + cos2x = -2# is/are?
- Prove that cos-¹(1-2x²)=2sin-²x?
- Can someone help me solve this? (1-cos^2x)/(tanx)=sinx Cotx
- Convert to rectangular form? #r^2sin^2theta = -22#
- How do I solve this problem?
- How do I solve this problem?
- Verify sec^4x-sec^2x=1/cot^4x+1/cot^2x ?
- What is cos if sin=-0.8 and is in Quadrant IV?r
- Show that #sin^7 x + cos^7 x < 1# if #0 < x < frac{\pi}{2}#. Please explain in words how to calculate this?
- Explain And Answer Value Of Sec(-75°) = ?
- Solve 4sinx-cosx+3=0 ?
- If sina =-5÷13 and a lies in quadrant 3 then the value of cos (a÷2)?
- 1+tanx/secx?
- How do you sketch inverse tan( #sqrt(x^2-1)# )?
- 2cos^2x-1=0,x=5pi/4?
- 1+cos^2x/sin^2x=csc^2x verified please?
- Arccot(tan2pi/3)?
- A right triangle has legs of 12 and 5, and a hypotenuse of #x/2#. What is #x#?
- 3tan^2x-1=0 when 0<x<90°?
- How do I solve the equation 90 cos X - 14 sin X = 72?
- If a, b and c are all acute angles in a triangle and sinA = m and sinB = n, find sin c in terms of m and n?
- Principal value of #arctan0# is ______?
- Suppose tan(θ) is undefined and sin(θ) < 0. Find the exact values of the 6 trigonometric functions of the angle θ?
- Please solve q 18?
- Draw a graph of 𝑦=2cos(2𝜋x −4)−1 Can anyone help me solve this?
- Find the range of the function #(secx + tanx -1)/(tanx - secx + 1)# for #x in (0,pi/2)#?
- Solve the following: 1)tan35°+tan10°+tan35°x tan10°=?
- Solve the equation #(sqrt3-1)sintheta+(sqrt3+1)costheta=2#?
- How do you solve sin 2x/sin x = 1+cos 2x/cos 2x?
- How do you solve 6sinx+3cotx-3cscx=0 if 0<=x<2pi?
- Solve? sin6theta+sin2theta=0
- If 2tan^-1x=sin^-1K. What will be the value of k?
- Prove that #32sin^4x.cos^2x=cos6x-2cos4x-cos 2x+2#?
- Please evaluate q 22?
- #sin# of what is equal to #sqrt3/2#?
- If Sinθ = 1/3, what is CosθSin2θ?
- Sinx. Cosx=1/2?
- Find exact value of sine,cosine,and tagent of 19*3.14/6?
- Please solve q18 ?
- Please solve q 14 ?
- If Sin72=A, then Sin18=?
- How do I solve sec x=-2.3711?
- How do I prove this identity? #(cosxcotx-tanx)/cscx=cosx/secx-sinx/cotx#
- It is about trigonometry ?
- Please solve q 11?
- How do I prove that 5 - 5cos^2 x = 5sin^2 x?
- Write tan700 as the trigonometric function of an acute angle ?
- How would you solve this equation? #cos^2Beta +cos Beta-2=0#
- Solve 10cos x+13cos x/2=5 ?
- If cos(t) = − 2/13 and tan(t) > 0, find sin(t) and cos(-t).?
- The angle of elevation to the top of a building in Brisbane is found to be 6° from the ground at a distance of 1 km from the base of the building. Using this information, I need to find the height of the building to the nearest tenth of a metre. How?
- Use the sine rule to find two triangles where: ∠A = 49∘, a = 29, b = 32.?
- How would you solve this?
- I have to find the unknowns in the graph below and I need to quote my answer to 4 significant figures. Can anyone help me?
- Use the sine rule to find two triangles where: ∠A = 49∘, a = 29, b = 32.?
- #sec^2theta/(2tantheta) = #? Explain And Answer Question
- In the triangle below: ∠C = 90∘, AC = 2 and BC = 3. how do I solve it?
- If a = 5 & c = 6, then?
- Two ships leave a harbour at the same time, travelling on courses that have an angle of 130∘ between them. If the first ship travels at 20 km/h and the second ship travels at 28 km/h, how far apart are the two ships after 1.7 hours?
- Explain And Answer The Value Of Tan(-105) = ?
- If , TanA=3/4 and TanB=4/3 So Answer The Value Of (A+B) With Explanation ?
- Cot2θ+tanθ = ? Write Answer With Explanation...
- How would you solve this equation?
- How do you solve 3 tan 2 x = √ 3 tan x in interval 0<=x<=360?
- How do I solve this question?
- If #cos(t) = −7/19# and tan(t) < 0, find sin(t) and cos(-t). ?
- What is the phase shift for the function: #f( x ) = \sin ( 2x - \frac { \pi } { 3} ) + \frac { \pi } { 2}#?
- Find the coordinates of a point on a circle with radius 15 corresponding to an angle of 355∘. (x,y) = (? , ?). Round my answers to three decimal places. How?
- I have to answer these equations but I don't know how to?
- Find the coordinates of a point on a circle with radius 30 corresponding to an angle of 340∘. (x,y) = (? , ?). Round my answers to three decimal places. How?
- Given θ = 60∘, 0∘ < α < 360∘ and α ≠ θ, find α, such that:?
- Explain and Prove That ? Sec(270°-theta)Sec(90°-theta)-tan(270°-theta)tan(90°+theta) = -1
- A person 5 feet tall casts a shadow that is 10 feet tall. A true casts a shadow that is 116 feet long. How tall is the tree?
- How do I find the unknowns in the graph below and I need to quote my answers to 4 significant figures?
- Sin^2xsecxcscx=tanx?
- Cos24°+cos55°+cos125°+cos204°+cos300°=? Answer Value
- Can anyone explain why sin^-1 (sin(3pi/4)) does not equal 3pi/4 ??
- The length of the hypotenuse of a 30°-60°-90° triangle is 12. What is the perimeter?
- How do you use a double angle formula to rewrite the expression cos2/3x?
- Cosec(π/2)=?
- If f(x)=x tan^-1then f(1) is what?
- Can you help? How does tan60 equal #sqrt3# ?
- Find the value of sin (a+b) if tan a=4/3 and cot b= 5/12, 0^degrees<a<90^degrees and 0^degrees<b<90^degrees ?
- Prove that #cosec(x/4)+cosec (x/2)+cosecx=cot(x/8)-cotx# ?
- What is #\cos ^{-1}(.841)#?
- How do you convert 200° to radians?
- Convert to a rectangular equation? #r + rsintheta = 1#
- Simplify #(csc^2Theta-3cscTheta+2)/(csc^2Theta-1)# ?
- How do you find sin (2theta) and cos (2theta) when given tan theta = -4 and sin theta <0 ?
- How to find theta in degrees that lies in quadrant 2 such that sin theta = 0.735. ?
- Hi there! Can anyone help solve this? :) Given tan theta = p and that theta is an acute angle, find sec 2 theta and cot (90-2theta)
- How do I prove the identity of #(sin^2Theta+2cosTheta-1)/(sin^2Theta+3cosTheta-3)=(cos^2Theta+cosTheta)/(-sin^2Theta)# ?
- Can anyone help me on this? Solve sin 2 theta + sin theta - tan theta = 0 for 0 < or = theta = or > 360
- What is the equation of sinusoidal function with the amplitude 3 and period pi/4?
- How do I simplify #cosTheta(1+secTheta)(cosTheta-1)# ?
- How do you solve -2cos^2 x = 3cosx + 1 and find all solutions in the interval (0,2π)?
- How do I simplify #sinThetacotTheta-sinThetacosTheta# ?
- Can you find all solutions of each of the following equations? a) 2sinxcosx=cosx b) 2sin^2x-3+1=0
- Can you prove the following identity? cosx+tanx/sinx*cosx= cosx+sec^2xb-
- Show the identity cos(2a)=1-2sin^2a can be derived form a sum or difference identity and the pythagorean identity?
- How do you verify #(1+sinx+cosx)/(1+sinx-cosx)=(1+cosx)/sinx#?
- exact value of sin(-5pi/12)?
- Csc^2x-cos^2xcsc^2x=1 Prove this as an Identity?
- How to convert 70 degrees into radians?
- A cos^2 ax - a sin^2 ax=?
- How can I use De Moivre's theorem to show that #z=-2-2i# is a solution to #z^4-3z^3-38z^2-128z-144=0#?
- Hi guys! Can anyone help me solve this question? Just started learning this chapter so I'm not quite familiar with this : Given sin theta = 1/2 and that theta is an acute angle. Evaluate sin 2 theta & sec 2 theta.
- Can anyone solve this? Prove cos A / sin B - sin A / cos B = 2 cos (A+B) / sin 2B
- Cos^2 π/8 + cos^2 3π/8 + Cos^2 5π/8 + cos^2 7π/8 Solve And Answer The Value ?
- Find the central angle in degrees of an arc of 2000 km on the surface of a planet if the radius of the planet is 2439 km? The central angle is approximately ____ degrees *Round to the nearest tenth as needed*
- Question #6527d
- #tan(sec^(-1)sqrt((u^2+9)/u))=# ? im not sure how to solve this please help ?
- There is an escalator that is 1086.8 feet long and drops a vertical distance of 195.4 feet. What is its angle of depression?
- How do you verify #(2cos^2x-1)^2/(cos^4x-sin^4x)=1-2sin^2x#?
- Solve this?
- How do I simplify the expression (tanˆ2Ø -1)cot Ø / sin Ø - cosØ to a sum of two trigonometric functions?
- Is the answer to tan^2x (cos^2x+1)+cos^2x=sec^2 just the left side equaling tan^2x+1? HELP PLEASE
- How do you verify #(2cos^2x-1)^2/(cos^4x-sin^4x)#?
- Is cot^-1 x = tan ^-1 1/x ???
- How do you solve for x? Sin x = Sin (2x - π) XE [0, 2π]
- How do you prove #sin y cot y csc^2 y = cos y + cosy cot^2y?#
- What are Two of the solutions of cos(x/2)= -√2/2?
- Maximum value of y=2sin(3x+15°)?
- Prove the identity sinx=cos(pi/2-x)?
- Pls, can anyone help me, getting problem solutions? When following details are given?: Let ABC be a triangle with side lengths a=b=1, c=x (unknown) and angles α=A=2π/5, β=B=2π/5, γ=C= π/5
- Find a coterminal angle to #-(2pi)/5" radians"#? a. #104^@# b #150^@# c #288^@# d #72^@#
- Given that cosx=p Where x us an acute angle in degrees find in term of p i) Sin x ii)tanx iii)tan(90-x)?
- Can anyone help solve and explain this?
- How to prove (tan^3x-cot^3x)/(tan^2x+csc^2x)=tanx-cotx?
- The terminal side of the angle theta in standard position lies on the given line in the given quadrant. What is sin theta,cos theta, and tan theta? 5x+3y=0, Quadrant II
- Sin^4x -cos^4x= cos3x Could you solve this?
- If A+B+C=90° then prove that #sin^2 (A/2)+sin^2 (B/2) + sin^2 (C/2) = 1-2sinA.sinB.sinC# ?
- Tan x + 1/cos x = 2 cos x How do I solve this?
- How do you find the five remaining trigonometric functions of this problem?
- Fint the value of #Sin theta + Cos theta# ?
- If #xsin^3theta+ycos^3theta= sinthetacostheta and xsintheta=ycostheta#, thenprove that #x^2 +y^2 =1#?
- How do you solve the equation for exact solutions in the interval [0,2pi)?
- Sin420°+Cos390°-Cos(-300°)Sin(-330°) Solve And Answer Value?
- Prove the following cosecA/cosecA-1+cosecA/cosecA+1=2+2tanAtanA?
- If #2tanA=3tanB# then prove that: #cos2A=(13cos2B-5)/(13-5cos2B)# ?
- How do you find the answer to this problem?
- How do I factor: cotx^2+4cscx+5 ?
- Solve #sin^2x + sin^2 2x = 1# ?
- How do you prove sin3x=3cos^2xsinx-sin^3x?
- Is it possible to get some help? Thanks!
- How do I prove #sec^2x/(2+tan^2x) = 1/(1+cos^2x)#?
- What is #csc# #(7pi)/6#?
- Find all radian solutions on the interval #(-oo, oo)#? #sin(2x) - tanx = 0#
- In which quadrant does 957 degree lies????
- How do you solve: #csc^4x-4csc^2x=0#?
- How do you solve: (1+sinx)(1+sin(-x)) ?
- How do you simplify: sec^2(π/2-x)-1 ?
- How do you solve: cot(-x)cos(-x)+sin(-x) ?
- Sin^2 120° + cos^2 150° + tan^2 120° + cos180° - tan135° Please Solve Value ?
- 3sinx+4=0 what is the (pi/2,pi) in the range of the equation solution set ?
- Show that it exists by considering?: a path to the origin along the x axis a trajectory along the line y = x
- How do I solve #sec(3x)-sqrt2 = 0# algebraically?
- 2tanx/1-tan^2x??
- How do I prove this trigonometric identity?
- If x is an acute angle, and cos x =4/5, then cos (2 x) is equal to?
- How do you simplify: cos^2x+cos^2(π/2-x) ?
- What are the solutions of 6 tanx sinx-6 tanx=0 in the interval [0,2pi]?
- How do you solve: 2sin^2x-sinx-1=0 ?
- What is the general value of #theta# satisfying both #sin# #theta# = #-1/2# and #tan# #theta# = #1/(sqrt3)# ?
- How do you solve: cos(π/2-x)secx) ?
- How do you solve: -sec(-x)cos(-x) ?
- How do you solve: #cot(-x)cot(π/2-x)#?
- If (-2,-3) to the circle x2+y2+3=0 what's is tangent length?
- How do you solve using CAST: sin 2θ +cos θ = 0 between 0 and 2pi?
- Im stuck on trying to prove: 2cos^2x-sin^2x+1=3cos^2x & tanx(sinx+cotx*cosx)=secx can anyone help??
- How do you solve: sin2θ + cosθ = 0 between 0 and 2pi?
- How do you solve sin2θ=-cosθ ?
- How do you solve cos2θ+3cosθ+2=0 ?
- Simplify completely: #1 - 2sin^2 20°# ?
- Let sin(4x-1=cos(2x+7) write and solve an equation to the value of x?
- If sinθ+cosecθ=4 Then sin^2θ-cosec^2θ =?
- Wishing to erect 2 vertical poles, 10 m and 15 m on ground with bases 20 m apart fronting his home. The 2 poles are anchored by a cable from each top to a point on the ground between them. Where should he anchor to minimize the length of the cable?
- If cos B = 0.5, <B =?
- #sin^4x-cos^4x=1-2cos^2x# prove it?
- How does one find the rectangular coordinates of a point with polar coordinates (-2, 11pi/6)?
- If sinθ+cosecθ=4 Then sin2θ-cosec2θ =?
- Solve cos2x = 1 - sinx for 0° < x < 360° ?
- 1) Please Show Me How To Convert (-3)radian to Degree-Minutes-Second ?
- Solve sin3x = cos3x for 0° < x < 360° ?
- Prove :1-sinx/1+sinx=tan²(x/2 -pi/4)?
- How does one find sin2x, cos2x, and tan2x if sin x = -2/#sqrt13# and x is in quadrant IV?
- Cos x/1+sin x= 1-sin x/ cos x ?
- Solve 3 - sinx = 3 + cos2x for 0° < x < 360° ?
- Sec^2(x)-sec(x)=2?
- Calculate the exact values of the following expression?
- In triangle ABC, angle A = 71º, angle B = 42º, and side c = 15. Solve the triangle. Round angles and sides to the nearest tenth, if necessary?
- Barfield is 7km north and 8km east of Westgate. The bearing to get from Westgate to Barfield is 041.2, and Lauren sails at a bearing of 043. She stops when she is due North of Barfield. How far away is she from Barfield?
- How to verify Cos2x/(1+sin2x)=tan(pi/4-x)?
- Sin(2x+#10^o#)=-0.6 find all values for x -180<x<180?
- Solve the eqn 25 cos x = 16 sin x tan x for 0 < or = x < or = 360. Could anyone help me on this?
- Prove #(sin x - csc x)^2 = sin^2x + cot^2x - 1.# Can anyone help me on this?
- Simplify sin^-1(1-x^2/1+x^2), 0<x<1?
- Answer? ctg(π-a)cos(π/2-a)-sin(3π/2+a)
- Solve SinA- tanA=0?
- Given that a = sec x + cosec x and b = sec x - cosec x, show that a^2 + b^2 = 2 sec^2 x . cosec^2 x. Please?
- Given theta = 3pi/4 How does one calculate cos^2 theta, cos(-theta), and cos(2) theta?
- How to simplify this?
- Tan theta multiplied by csc theta equals sec theta ?
- Cos(2x) cos(x) + sin(2x) sin(x) = −1?
- Suppose that A is an acute angle and cosA=4/5. Find the exact value of sinA/2 ?
- Evaluate cos 4π/3?
- How do you prove the identity , sin3x+cos3x / cosx-sinx = 1+2sin2x ?
- How do you solve for x in the equation 3sin2x-1/3sinx=0 and x in in the interval of [0,2pi)?
- How do you sketch one cycle of the cosine function #y=-3costheta#?
- Given theta is an angle in Quadrant III such that sin(theta) =-3/5 How does one find the exact values of sec(theta) and cot(theta)?
- Given value (without calculator): sec[sin^-1(-1/5)] Give value?
- How do I solve for the solutions? Find all solutions of the equation.
- How do i get the exact value of sec 225°?
- Cos 3 theta/sin 3 theta?
- How does one find cot(theta)-1=0 with the interval [0, 2pi) with radians in terms of pi?
- Given #y=3cos(pi(x)-pi/2)+1# How does one find amplitude, period, phase shift?
- How do you solve 5(cos^3)x=5cos x over the interval (0,2pi)?
- A tree casts a shadow 15 feet long. At the same time, a 18-foot flag pole casts a shadow 10 feet long. How tall is the tree?
- #2sin^2x-sinx-1=0#?
- Find sin2x, cos2x, and tan2x if sinx=-3/5 and x terminates in quadrant IV?
- Given sin theta=3/4 and π/2 is smaller than equal to theta smaller than equal to π. Find the value of a. sin 2q b. cos 2q c sec 2theta?
- How do you simplify sen(tan^-1(x)-sin^-1(x)) ?
- Adjacent sides of a parallelogram have lengths 12.5 cm and 8 cm. The measure of the included angle is 40º. Find the area of the parallelogram to the nearest tenth of a cm?
- Find the value of Tan 19π/4?
- How to solve? sin(5θ) − sin(−θ)
- Please solve q 37?
- The bases of a trapezoid are 425 feet and 250 feet respectively. The angles that the sides make with the longer base are 64 degree and 75 degree. What are the sides of the trapezoid?
- How do you solve (2(sin^2)x-1)((tan^2)x-3)=0 over the interval (0,2pi)?
- How do I solve 2sec^2x + tan^2x-3=0 ?
- A 6ft tall person is standing 24ft away from a street light that is 15ft tall. How long is her shadow?
- A town B is 50 miles of town A. Another town C, west of line AB is 30 miles from town A and 37 miles from town B. What is the direction when C bears from B?
- #cos75^@ cos15^@ + sin75^@ sin15^@# ?
- #cosx-cos^3x=cosx*sin^2x#?
- In triangle ABC, a = 3, b = 7, and angle C = 86º. Find the area of the triangle correct to the nearest tenth?
- The area of triangle PQR is 24 square meters. Side p = 13 and side q = 10. Find ALL POSSIBLE measures of angle R. Round your answers to the nearest tenth?
- Given that csc #pi/4=sqrt2#, use an equivalent trigonometric expression to determine sec #3pi//4#?
- Given that tan #2pi//9=0.8391#, use equivalent trigonometric expressions to evaluate cot #5pi//18#, to four decimal places?
- What is the length of the cable, if a support cable for a 80-foot tower forms a 83 degree angle with the ground?
- What is the length of a shadow cast by a 4-foot person, if the angle of elevation of the sun with the ground is around 15.7 degrees?
- How to PROVE: [(1-sin2x)/(sinx-cosx)] =sinx - cosx ?
- How to find x in the equation: x*cos(x)=0.3 ?
- How do you evaluate the sine, cosine, tangent, cosecant, secant, And cotangent of t=-pi/2?
- 2sin^2x-1=1-2/sec^2× What is the iguality of the equation?
- How do I solve 2sinx = cos (x/3)?
- If tanθ = -1/2, find sinθ?
- 1+tanA/sinA+1+cotA/cosA=2(secA+cosecA)?
- If ABC is a triangle with sides a, b , c and opposite angles alpha, beta and gamma. If alpha=3*beta, prove that (a-b)^2*(a+b)=b*c^2?
- How do I simplify (sinx/(1-cosx))-cscx ?
- How do you prove sec(-t)/tan(-t)=-csc(t)?
- If sin(a)=5/13 and cos(b)=4/5, both in Quadrant 1, find following? a) sin(a+b) b) cos(a-b) c) cosb/2 d)sin2a
- 1+sinx/1-sinx is equal to??
- How to do this?
- How do you prove this trig identity?
- Show that tan35+tan10+tan35tan10=1 ?
- What are the values of the other five trigonometric functions of theta, given that cos theta = 5/13, 0<theta<pi/2?
- How do you verify Cos( 225 -θ) = -sinθ ?
- A man flies a kite with a 100 foot string. The angle of elevation of the string is 52°. How high off the ground is the kite?
- How to solve 3sin2x+2cos2x=3? Is it possible to convert it to sinx=k?
- How does one determine the rectangular coordinates of polar coordinates (-2, 11pi/6)?
- How do I solve given #0<x<2pi# #2sinxcosx=sqrt2cosx#?
- Find the values of the 6 trigonometric functions for the angle in standard position determined by the point (-12,-5)?
- How do I solve #cos^2x+4=2sinx-3# given 0<x<360?
- How do I simplify sin(arccos(sqrt(2)/2)-arcsin(2x))?
- Sin theta by 1-cos theta +tan theta by 1+cos theta?
- The angle of depression from the top of a flag pole to a point on the ground is 30°. If the point on the ground is 75 feet from the base of the flag pole, how tall is the pole to the nearest foot? A) 38 feet B) 43 feet C) 53 feet D) 106 feet
- Do you know how to do this problem?
- How to do this?
- How to solve sin5x = -sin3x?
- How do you slove this ?
- What are the coordinates of the points at which the graph y =sin(x+30) meets th axes? maths
- How do you simplify this ?
- Sinx+cosecx=2 then find sin^nx-cos^nx?
- How would i solve: Sin(theta)×tan(theta)+2sin(theta)=3cos(theta). I've already tried tan =sinx/ cosx ?
- How to find the x-intercepts (values)?
- How to solve: cos(x).cos(2x).cos(3x) = 1 ?
- How do you prove (Tan^2X/Sin^2X)-1 = Tan^2x?
- How do you show that the equation x-inverse tan(3x)=0 has a solution lying between x=1 and x=2? (Not sure if you need to use half-interval or newton's method??)
- How does one verify #(secx-cosx)^2=tan^2x-sin^2x#?
- Each rectangle is 6cm long and 3cm wide, they share a common diagonal of PQ. How do you show that #tanalpha = 3/4#?
- If costheta =2sqrt5/5 and 0degrees< 0<90degrees what is sintheta/2?
- How do I find the exact value of y=csc^-1 (-2)?
- How does one verify #(1-sec^2x)/sec^2x=-sin^2x#?
- Zack rested A 15 foot ladder against a building the foot of the latter is 9 feet from the base of the building how many feet up the building does the ladder reach?
- Cos80°-cos40°+√3cos70°=?
- How many values are there for the #cot(3x-pi/4)!=-1#? #[-5,5]#
- How do you solve #2costheta*sintheta-2costheta-sintheta+1=0#?
- Prove the following question? #(sec8x-1)/(sec4x-1)=(tan8x)/(tan4x)#
- If sinθ=2/3 and cosφ=1/4, where θ and φ are both acute, find cos(θ−φ)?
- #(Sin x + 1)/(cot x + sec x) =#?
- If cosA=4/5. Find cos2A?
- Tan x/(1+tan x) = ? Or prove that : tan x/(1+tan x) = sin x.cos x
- Angle x is in the second quadrant and cos x = -4/5. what is sin x to the nearest tenth?
- How to solve this trigonometric equation: tan(x) + tan(3x) = 2sin(2x) ? Thank you!
- Sin19°+sin41°+sin83°=?
- Prove the identity using the following rules, Algebra, reciprocal, quotient, Pythagorean, and odd/even?
- Cos45°-cos75°\sin45°+sin75°=?
- Radian of 66°2minute 40 second?
- Cos (5 π + x) = ?
- How can I verify this identity? Thanks!
- How to prove (1-sin theta) / cos theta = cos theta / (1 + sin theta) ?
- Sin ( x - 11π) = ?
- What is Tan-4pi/3 on the unit circle?
- How can you prove #sinh(2x)coth(x) = cosh(2x)+1#?
- X-y = π/2 cotx. cosy +siny=?
- Given tanΘ=-2 and π/2 < Θ < π; How would you find cos2Θ?
- A wheelchair ramp is 4.2 m long. It rises 0.7 m. What is its angle of inclination to the nearest degree?
- How do you simplify 2cos^2(4θ)-1 using a double-angle formula?
- If the base angle of an isosceles triangle is 40°, what is the measure of its vertex angle?
- How do you answer this sin^2x+cos^2x+cot^2x/1+tan^2x=cot^2x ?
- Evaluate cos(tan^-1 1)?
- 1+tan^2 30/1-tan^2 30=?
- Solve the equation tan(12(x−π4))=−1 for x∈[−2π,2π]. How do I solve for x?
- Find the value of sinπ/14 × sin3π/14 × sin5π/14 × sin7π/14 × sin9π14 × sin11π/14 × sin13π/14 ?
- How to find exact value COS(SIN^-1 4/5+TAN^-1 5/12) ?
- Find the exact value of the expression whenever it is defined?
- How do you simplify 1/(tanx+cotx)?
- How do we know that Tan(180-x)=-tanx And Cos(180-x)=-cosx Sin(180-x)=Sinx Tan(90-x)=1/-tanx etc...is there any way we can find out these?
- Prove the following 1+tanA/sinA+1+cotA/cosA=2cosecA?
- Given the right triangle below, find #cos theta#, #sin theta#, #tan theta#, #sec theta#, #csc theta#, and #cot theta#. Do not approximate, find exact answers and show all work?
- How do i simplify 1-2sin^2x+sin^4x?
- Solve the following problem for the angle x?
- CosA cotA/1-sinA=1+cosecA?
- Express large and small. A=3root3,B=4root4,C=6root6 ?
- Could you please solve me this equation: #1 + sin^3 (x) + cos^3 (x) = 3/2 sin (2x)#?
- Cosecx/cosecx-sinx=sec^x?
- Can you solve for {2 cos^2(x)-√3 cos(x)=0} on the interval 0˚<= x <= 360˚ ?
- 5sin(x)−2=2sin(x)+4 within [0, 2π] has solutions. True or False? if true explain why and what those solutions are.
- Solve the equation for x : 2sinx+1=1 ?
- A luggage wagon is being pulled with vector force V, which has a magnitude of 750 pounds at an angle of elevation of 63 degrees. What is vector V in components?
- Simplify 2cos2xsin2x ?? how to do
- Hi could you please help me with 1+cot^2x/sec^2x ?
- A block weighing 80 lb rests on a 30 degrees incline. What is the magnitude of the components of the block's weight perpendicular and parallel to the incline?
- The vertical motion of a seat on a Ferris Wheel can be described by the equation y=25cos(pit/3)+26 What is the period of the seat's motion in seconds?
- Prove the identity? cos(x-y)sinx-sin(x-y)cosx=siny
- Hey! I'm stuck on this problem :( could you help me?
- Prove that #(1+tan^2x)cos^2x=1#?
- Sin theta /x = cos theta /y then sin theta - cos theta=?
- How do you prove that #(cos3theta)/sintheta +(sin3theta)/costheta = 2cot2theta#?
- How i prove this ?
- Write tthValue of sin225°?
- How do you solve #sin3theta=3sintheta-4sin^3theta# for #0 degree <=theta<=360degrees#?
- How do you prove #tan(pi/4 + theta) - tan(pi/4 - theta) = 2tan2theta#?
- How do you prove #tan(A+B+C) = (tanA+tanB+tanC-tanAtanBtanC)/(1-tanAtanB-tanBtanC-tanCtanA)#?
- How do you prove: #sin(alpha-beta)/(sinalphasinbeta) + sin(beta - gamma)/(sinbetasingamma) + sin(gamma-alpha)/(singammasinalpha) = 0#?
- If #tan x=(-7)/24# and #cos x >0#, find all possible trigonometric ratios?
- [(4 cos x +1 = 2 cos x] Can you solve the equation for 0 <= 2π?
- Solve |#sinx + cosx#| = |#sinx#| + |#cosx#|, x#in# [0, 2#pi#] ?
- If cos theta =3/5 then find the value of sin theta then find the value of sin theta -cot theta opon 2tan theta?
- How do I find #sintheta# = #-cos^2theta# -1 in radians from #[0, 2pi]#?
- How do I find all the solutions of 'sin^2(x) = 1-cosx' in terms of radians from zero to 2pi?
- How do I write this equation in polar coordinates. Express as a function of t. Assume that r>0?
- How to solve this for 0 ≤ x ≤ 2π ?
- Solve #6 sin(x - 2)=14# within #[0, 2pi)#?
- The number of solution of the equation 3^(sin2x+2cos2x)+ 3^(1-sin2x+2sin2x)=28 in [0,2π]?
- Are there any solutions for this equation within (0,2π)? [cosx-tanx(cosx)=0] if so, what are they?
- Are there any solutions for this equation within (0,2π)? [cosx=sinx] if so, what are they?
- How do you find tan 75 using the angle sum / difference identities ? I get stuck when I multiply by the conjugate (3+#sqrt3 )
- Does anyone know how to do this problem?
- What is the horizontal translation of y - 2 = 4sin(x - pi/2) ?
- Tan3x=3Tanx-Tan^3x by 1-3tan^2x Prove it?
- What identity is this? If it would be pythagorean identity the identity would change from csc squared to cot squared plus one
- Give exact solutions for 3secx - cosx = 2, where x is greater or equal to zero and less than or equal to 2pi. ?
- How do you convert this polar equation to cartesian form?
- #cotO/<0 and sinO/>0# determine the quadrant in which the terminal side of #O/# lies?
- Determine the quadrant in which the terminal side of #O/# lies? #cosO/ > 0, and cscO/ >0#
- Solve for x in radians sec2x = 2 ?
- How Do You Prove:- ( cos x + sin x) ( cos x - sin x ) = 2 cos^ x-1 ??
- Given that A and B are acute angles and sin A = 1/2 , cos B = 1/3 , then find the interval in which A+B ?
- How would you go about solving sin(x+pi/3) - cos(x+pi/6) = sqrt(2)/2 for all solutions on the interval [0,2pi)?
- Prove that this are equal:sin(x+y)*cos(x-y)+cos(x+y)*cos(x-y) / cos(x+y)*cos(x-y)-sin(x+y)*sin(x-y) is equal with tg2x ?
- How do you sipmify this ?
- How will we prove that sin^-1[sin(3π/4)] is not equal to 3π/4?
- 1/2 secx cscx ?
- 1/2 secx cscx ?
- Cos(2sin inverse X)=?
- SinA + cosA = 1 Find the value of cos^2A + cos^4A =?
- Find the value of #sin^3A+cos^3A#?
- If #cos theta=21/29# determine #sec theta/ (tan theta- sin theta)#?
- A sector of area 25 in^2 is formed by a central angle of 4 radians. Find the radius of the circle?
- If sinA= 5/13 in quadrant 1, find sin A/2?
- What is symmetry test of polar graphs??
- What is the solution to tan^2x cosx = tan^2x?
- Cosθ<0 and tanθ > 0 Determine the quadrant in which the terminal side of θ lies?
- How do u prove this ?
- Use an appropriate half-angle identity to find the exact value of sin(pi/12) = ?
- How do u prove this ?
- How i prove this ?
- How do I verify the identity of the following trigonometric function?
- Find the exact value of the expression? #sec(π/3) cos(π/3) - tan(π/6)#
- Let #a# be an acute angle of a right triangle for which #sec a = 13/12# Find #csc a#?
- Evaluate #sec(x)(sec(x)+tan(x))=1/(1-sin(x))#?
- Please help me solve the trigo word problem here... Jack and Jill both start at point A. They each walk in a straight line at an angle of 105 degrees to each other. After 45 minutes Jack has walked 4.5 km and Jill has walked 6 km. How far apart are they?
- Sin60 +cos30?
- Find all real numbers in the interval #[0, 2pi)# round to the nearest tenth? #3 sin^2x=sin x#
- #cos(A)/(1-sin(A))=(1+sin(A))/cos(A)#??
- How do you prove cosθ + cos2θ + cos3θ = (2cosθ + 1) cos2θ ?
- How do you solve 2cos^2(x-pi/8)-1=0?
- How do you solve #cos^2 x = sin^2 (x/2)# ?
- Verify the identity #sin (α + β) sin (α - β) = #?
- Cosθ<0, sinθ<0. In which quadrant does terminal side of θ lie?
- What would be steps in proving that [(tan2x)/(secx + 1)] + 1 = sec x ?
- Solve for x in RADIANS: sec2x = 2 ?
- How does one convert polar equations to rectangular form given; angle = 7pi/4 and r(sin of angle) = 7?
- Evaluate the remaining trigonometric functions? CSC x is undefined, cos x <0
- Sin^2(x)+2sin(x)-15=0 on interval {0,2pie) find the number of solutions?
- Complete the ordered pair? The graph of y = sin(2x - 1) passes through the point (___, 0).
- This statement is true or false?Please give reasons for your answer. The function of f(x)=sinx/2+sinx has a maxima at x=π/2.
- Convert 3/4radian into degree?
- ((cos^-1 (x))^2) - (sin^-1 (x)^2) = ?
- How do you solve 2 Sin (x) Cos ^2 (x)- 6 Sin ^6 (x)=0 in [0,2pi] ?
- Prove that:-cot^-1(theta)=cos^-1(theta)/ √1+(theta)² ?
- Question #54188
- Arcsin(1-x)-2arcsinx=pi/2, then x is equal to ?
- How do I convert 2r=tan(theta) into a rectangular equation?
- How do you evaluate #cos ( \sec ^ { - 1} x + \cocsc ^ { - 1} x ) ,# if #| x | \geq 1#?
- Without using a calculator, find the exact value?
- How i prove this ?
- Solve cos x = 0.45 over the domain 0<x<2pi ?
- How do you convert #2/5 pi# to degrees?
- Find the exact value by using a sum or difference identity. sin (200° - 80°)?
- If #sinx=1/sqrt3#, can anyone find the exact value of #tan2x# please?
- Are there any anglesθsuch that sin(θ) = cosθ? If yes, then determine all such anglesθ. If not, thenexplain why not.
- How does one prove sin(x+y) - sin(x-y) = 2cos(x) sin(y)?
- If cos2A = 1-2sin^2A prove that sin15 = √2-√3/2?
- How do I express α in terms of θ?
- Solve cos x + cos 2x = 0 ?
- Solve 2 cos x + sec x = 3 ?
- (1) Solve sin x cos x = 0. ?
- How do you prove this identity?
- Find all real numbers in interval [0,2π)? sin x cos(π/4)+cos x sin (π/4)=1/2
- How to prove #cot^4x(sec^4x-1)-2cot^2x = 1# ?
- There is a spinner with 8 equal areas, numbered 1 through 8. If the spinner is spun one time, what is the probability that the result is a multiple of 3 and a multiple of 2?
- Solve #cosx=sqrt3/2# where #0lexle2pi#? How many solutions are possible? In which quadrants would you find the solutions? Determine the related angle to the equation? Determine all the solutions for the equation?
- #tanxsinx + cosxtanx=#?
- Could you please help me so solve this?cosx ( secx + tanx )
- Prove that this are equal: cos^2x+cos^2y=1+cos(x+y)*cos(x-y) ?
- It is 1:08 AM and I am trying to solve some problems but I am stuck :) Can I get some help please? Thanks!
- How do you prove (sinx)(cosx)(tanx) + cos2x = 1 ?
- How do you prove this without having to change the left side?
- How to graph y=arcos(x^2)?
- How to Verify that sin(A+B) + sin(A-B) = 2sinA cosB ?
- Find the other dive trigonometric functions OF the acute angle A, given that sec A=2 ?
- If cos(A )= (2( 2a )/( 1+ a ^ ( 2)) ) ; now find tan(A ) ?
- Sin (arc cos (-1/2) ) ?
- How you prove [(sin^3x-csc^3x)/(sinx-cscx)]-(sinx-cscx)^2 ?
- How do I prove the identity without having to change the right side at all?
- Solve (sinx)(tanx) = 3sinx for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian ?
- Suppose that cos(θ) =−3/5. Determine all possible values of tan(θ). ?
- Can you please solve this equation?, thanks! cos 2x = 5 sin^2 x - cos^2 x (in terms of cosine x)
- Solve 2cos2x - 1 = 0 for 0° < x < 360° ?
- How do you solve this question: h= (d*sinA*sinB)/(sin(B-A)?
- How do you prove #(a \sin \theta + b \cos \theta ) ^ { 2} + ( a \cos \theta - b \sin \theta ) ^ { 2} = a ^ { 2} + b ^ { 2}#?
- Solve #tan(x)=-1# where #0lexle2pi#. How many solutions are possible? In which quadrants would you find the solutions? Determine the related angle for the equation? Determine all the solutions for the equation?
- Verify that sin(A+B) + sin(A-B) = 2sinA sinB ?
- Consider the equation #5/2cos2x-1/2=3sinx#. Put the equation into standard quadratic trigonometric equation form. Use the quadratic equation to factor the equation. What are the solutions to the equation to two decimal places, where #0lexle360^0#?
- The height (h) of the water in metres at a certain point at the wave pool over a period of seconds is modelled by the equation #h(s)=sin^2s+1/2sins+3/2#?
- Use the sum and difference identities to find the exact value of tan 105?
- The height of a swing is modelled by the function #h(t)=35sin(8 pit)+74#. What are the highest and lowest points the ball reaches where h(t) is in cm?
- What is the value of x? #sin(x+21^@)=cos(2x+21^@)#
- How do you solve cos(x-π/3)-cos(x-π/6)?
- Simplify completely: 1/cot2x - 1/cos2x ?
- How do you verify: #sqrt(1+sin x)-sqrt(1-sin x) =2*sin(x/2)# ?
- 2sin15cos45 ? Evaluate
- How does one prove the following question?
- What is the value of #tan(\cos ^ { - 1} \frac { 3} { 5} + \tan ^ { - 1} \frac { 1} { 4} )#?
- 2sin45cos15 ? evaluate
- Solve the equation #sec^2x+3secx-15=3# to the nearest hundredth, where #0^0lexle360^0#?
- Simplify Trig Expression?
- Solve the equation #(sin^2x)(sin2x)=0# where #0lexle2pi#?
- Determine the solutions to the equation #cosx//sin2x=5/7# for #0lexle2pi# accurate to two decimal places?
- Solve the equation #sin^2x-1/2 sinx-1/2=0# where #0lexle2pi# ?
- Solve the equation #cos2x+sin^2x=4/9# to the nearest hundredth where #0lexle360^0#?
- Use a sine function to describe the height of the tides of the ocean if high tide raises the water level to 5 metres at noon and low tide drops it down to 1 metre at 4 p.m. Let t=0 be 12 noon?
- Determine the solutions to the equation #2sinx-cos^2x=sin^2x# for #0lexle2pi# ?
- If a bicycle wheel makes 7 rotations a second and has a diameter of 75cm, what cosine function describes the height of a point on the end of the wheel?
- A mouse wheel is 20cm in diameter and the base of the wheel is 1cm off the ground. If the hamster can spin the wheel 3 times each second, what s the sine function that describes the movement of the wheel of it starts at its lowest point?
- What is the vertical and horizontal translation for the function #y=4sin(4.5x-pi)+3#?
- List the steps IN ORDER to prove that: (sinx)(cosx)(tanx) + cos2x = 1 ?
- Simplify completely: (tanx + cotx)/sec2x ?
- What is the amplitude of the function #y=pi/2sin(6/3t-pi/6)+14#?
- Solve the equation 8sin(1/2)x - 5 = 0 for 0 < x < 2pi and round your answers to the nearest hundredth of a radian ?
- I need help simplifying this expression?: cos^2 (x) /(1+sin(x))
- Write the equation in rectangular coordinates: #r=10sin(θ)#?
- What is the exact value of #cos (( 7\pi)/4)#?
- Cos^-1(cos5π/3)+sin^-1(cos5π/3)is?
- If A is an angle in QIV such that sin A = − 3 5 and B is an angle in QIV such that sin B = − 1 3 use identities to find COS A COS B TAN(A+B) TAN(A-B) ?
- 1+sinx+sin^2x+.....=2√3+4, then x=?
- Solve sin(θ) tan(θ) − cos(θ) = 1 for 0 ≤ θ ≤ 360?
- What is the principal argument of z=-1-i?
- How do you prove #(1-cos2theta)/(1+cos2theta) = tan^2theta#?
- Can the equation be solved ?
- The measures of three angles of a triangle are given by #(8x- 5)° , (2x)°,# and #(3x - 10)°#. What is the measure of the largest angle?
- Evaluate Sin inverse sin 12?
- How to prove the identity sin^2x-cos^2x/sinx-cosx= 2sin^2x+sin2x/ 2sinx?
- How will you simplify ?:- #csc^2x - cos^2x * csc^2x#.
- What does tan (-pi/3) equal?
- Proof:- sin(7 theta)+sin(5 theta)/sin(7 theta)-sin(5 theta)=?
- How to prove !?
- #Cos^-1 (-32)#?
- How do I solve sin 2x=cos 3x ?
- What are all values for A between 0-360 degrees? sin^2(A/2)=cos^2A
- What are all the values for A between 0 to 360 degrees? sinA+1=tanA+cosA
- Find a unit vector in the direction of the given vector. Verify that the result has a magnitude of 1. ? w = i − 5j
- Given that #tan (1/2 theta) = -3#. Show that #tan theta = 3/4#.?
- Prove that #(sin(A+B))/(cos(A-B)) = (tan A-tan B)/(1+tan A tan B)#?
- If #1-secx/tanx=5#, find the value of #1+secx/tanx#?
- Verify the identity of #sec^6X(secXtanX)-sec^4X(secXtanX)=sec^5Xtan^3X ?#
- What is the sin for 240?
- A child swings on a playground swing set. If the length of the swing is 3m and the child swings through an angle of #pi/9#, what is the exact arc length through which the child travels?
- A Ferris wheel is 520 feet in diameter & reaches a height of 550 feet. One complete revolution in 30 minutes. Passengers get on & off at the bottom, the lowest point. What is the cosine function that models the riders position & time since boarding?
- Cos65- cos5\ sin145=?
- Find all values of x in the interval [0, 2π] that satisfy the given equation? 2(sin x)^2 − cos x − 1 = 0
- Find the solutions of the equation that are in the interval [0,2pi/3)? cos3u+cos6u=0
- How do I solve cos(x/2)=sqrt(2)/2 with a domain of [-720º,360º)?
- Prove the following sinA/1-cosA=1-cosA/sinA?
- How do you solve for #A# in this question: #0 <= A <= 360: 2(cosA)^2 + 5sinA - 4 =0#?
- Given that #sin x = cos# #pi/5# and that x lies in the first quadrant, determine the exact measure of angle x?
- How to find? 3 tan^2 2x - 2 = 5 sec^2 X - 9 for 0 < X < 2π
- A skateboard ramp is built with an incline angle of #pi/12#. If the base of the ramp is 1 meter in length, determine the exact height of the ramp?
- How do you solve #1 - 2(sinx)^2 = cosx, 0 <= x <= 360#. Solve for #x#?
- Simplify: sin^2x - cos^2x / 1-tan^2x ?
- How do we solve the equation #sinx=A# graphically?
- How do we write #6# radians, #3/4# radians and #-3# radians in degrees?
- Prove the following (1-cosA)(1+secA)=tanA sinA?
- Prove the following (1-cosA)(1+secA)=tanA sinA?
- If #sqrt(sinx) + cosx = 0#, the what is the value of #sinx#?
- How do you solve 2/3 sin^2x-cosx=1 on the interval 90 to 180 degrees?
- How do you verify the identity? of 1- tan^2x = 2 -sec^2x
- Verify the following identity : (sinx+cosx)^2/sin2x=csc2x+1?
- Write the equation of the graph below AS A COSINE FUNCTION??
- How do you solve sin(3X + 50) + cos(2X - 10) = 0?
- Let 𝒖 = −2𝒊 + 𝒋, 𝒗 = 3𝒋 6a) Find (ai) 𝒖 + 𝒗 , (aii) 𝒖 − 𝒗, and (aiii) 2𝒖 − 3𝒗, Then sketch each resultant vector.?
- Prove that #(a-tanx)/(1+atanx)=tan(tan^(-1)a-x)#?
- How do you solve cos(2P + 10) = sin(4P +20)?
- How do I solve, tan^2(x)-(1+sqrt(3))tanx+sqrt(3)<0 ?
- Sin30+sin60+sin90 ÷ cos30+cos60+cos90?
- Solve triangle with angles?
- Solve and check for extraneous roots? 6/x-3=8x^2/x^2-9-4x/x+3
- How many radians does it take to go 720°?
- How much higher is the top of the ladder now?
- Find x in a [0,2pi] period? sin3x+cos2x=0
- How do you prove that tan(x/2)=(secx)/(secxcscx+cscx) ?
- Without using calculator or table of multiplication, show that #cos 255° = (sqrt2-sqrt6)/4#.?
- #arcsin( x) + arcsin (1/x) + arccos (1/x)# is equal to ?
- Solve 2sin(2x) - cosx = 0 for (0,2pi) ?
- Without using calculator or table of multiplication, show that #tan 195° = (sqrt3-1)/(sqrt3+1)#.?
- Simplify each of the following using the trig identities. #(sin^2x)+(sin^2x)(tan^2x)#?
- #1/tanx + tanx =1/(sin x cosx)# ?
- How do you solve cos x = -.8 for 0 < x < 2pi rounded to the nearest hundredth of a radian ?
- How do you solve 4sinx = 3 for 0°< x < 360° ?
- How do you solve (5cscx)/3 = 9/4 for 0 < x < 2pi rounded to the nearest hundredth of a radian ?
- How do you solve 2tanx - 1 = 0 for 0° < x < 360° ?
- Hi, how do i prove Sin^2x/1+cosx=1-cosx? Any help is amazing! Thank you
- Tanx>cotx and tanx+cotx = 3 tan^3( x )-cot^3( x) =?
- Find 2 meaning of x? 2sin(x-60)=√2
- Prove that? 2√3sin(y-60)=√3siny-3cosy
- How do you find the height, h of a mountain using the info given in figure 5.2.9?
- How to proof the identity #(cos2x)/sin^2x=cot^2x-1# ?
- What is the range of the function #y=sqrt(1-cosxsqrt(1-cosx(sqrt(1-cosx ......oo# ?
- Supposeθis an acute angle (so 0◦< θ <90◦) and sinθ= 1/4. Determine the exact values of theother 5 trigonometric functions ofθ. ?
- Sin30=0.5 what is cos150?
- A 30-meter tall antenna sits atop the edge of a building. From a point on the ground on the sideof the building where the antenna sits, the angle of elevation to the top of the building is 48◦andthe angle of elevation to the top of the antenna is 54◦. ?
- How do you solve for x in the given problem using right triangle trigonometry?
- From the floor of a canyon it takes 62 ft of rope to reach the top of one canyon wall and 86 feet to reach the top of the opposite wall. If 2 ropes make an angle of 123 degrees, what is the distance, d from the top of one canyon wall to the other?
- How do you solve #sin^2x - 2sinx = 0#?
- how do you solve #4cos^2x - 4cosx +1 = 0#?
- For what values of u are sin u/2, cos u/2, and tan u/2 negative?
- Can you help me with this trigonometric identity? Sin x (1 + tan x) + cos x(1+cot x) = sec x + cosec x
- Prove 1+cos x/1-cos x = 1+ 2cos x(1+cos x)/sinˆ2 Please and thank you! (?)
- (1) How does the graph of #y=3cos(x/2)# compare to the standard graph of #y=cosx#? (2) If #f(x)=k+Acos(B(x-h))# represents the graph of a general cosine function, how do you find #k, A, B and h# in this case?
- How do you solve for x in the given problem using right triangle trigonometry?
- VECTORS: u = <3, 3> and v = <11, 8>. Then what is (-u + 4v)?
- How to solve for x when restricted to interval [0,2pi] tan(x/2)=(2-sqrt(2))/2sinx?
- What should I study to know how to solve?
- Solving for theta? #1/2 = cos^2(2*pi*sin(theta)) #
- Solve: #sinx+cosx=sqrt(2)# one the interval # (-2pi<=x<=2pi)# ?
- Arctanx+arctanx(1-x)=arctan3/4 x=?
- How do you find #theta# if #costheta=2#?
- Can you prove that sin^2(beta)(1+cot^2(beta))=1?
- I need some help figuring out how to prove # cos^2x = (1+cos(2x))/2# ? (the x isn’t part of the exponent but I’m not sure how to signal that when typing) Thanks!
- Given: #cos(2theta)=3/5# find #sin(theta)#?
- Why isn't this triangle an ambiguous case? (where there can be 2 possible triangles from the same set of lengths and an angle)
- Solve the equation?
- (1+cscx/cotx)-(cotx/1+cscx) How do I simplify the above to get a single trigonometric function? thanks a lot
- Given #(3pi)/2 < x < 2pi# and #cotx = 9tanx#, what is #cot^2x - sinx * cosx=# ?
- Find theta where cos2theta=sin3theta?
- How does one verify #(cos^2x-sin^2x)/(1-tan^2x)=cos^2x#?
- Find all values of α in[0°,360°) to satisfy this equation? cot(α/2)=√3
- What is the equivalent to #sec[arcsin(x-1)]# in terms of an algebraic expression?
- How do I find ALL solutions to the following equation?
- How do you solve #2cos^2x-5cosx+3=0#?
- How do I solve this equation? #tan^2(x)+tan(x)-1= tan(x)#
- A population of field mice oscillates 32 above and below an average of 85 during the year, hitting the highest value in May (t = 4). Find an equation for the population, P, in terms of the months since January, t?
- When do you put +k.pi and when +2pi.k?
- How does one verify #tanx+cosx/(1+sinx)=secx#?
- What is #sin^-1(sqrt3/2)#?
- How to determine the polar coordinate: (1,-2)?
- How do you solve #sqrt(2)sin2x=1# ?
- 3a)Use the substitutions 𝑥 = 2𝑡𝑎𝑛𝜃, 0 < θ < π2 to express √4 + 𝑥2 as a trig function of θ? 3b) Solve for the general solutions of the trigonometric equation 𝑠𝑖𝑛𝑥 + √2 = −𝑠𝑖𝑛𝑥
- How does one prove the following equation? (Image attached for reference)
- Simplify #sec(Theta+pi)# ?
- How do I solve the following equation step by step?
- Prove this? #sinh(a+b)=sinhacoshb+sinhbcosha#
- How do I solve #sin(5x-pi/3)<=0, [-pi/2,pi/2]#?
- What is cost(sect-cost)? (Trigonometric )
- When i multiply both sides by 2, does the 2 outside of sin and cos?
- How do you evaluate the inverse sin of the sin of pi over 9?
- How do I solve: #tan(x)+cot(x)=4sin(2x)# using double angle or half angle identities?
- Prove that for every #x>0,x/(1+x^2)<tan^(-1)(x)<x#?
- Prove that? sinx + cosx= √2cos(π/4 -x)
- Solve cos(x)=0.13 where 0≤x<2π There are two solutions, A and B, with A < B ?
- #f(x) = 1 - cos (2x) - sin^2 x# and #f(x) = a + b cos (cx)# How to determine a, b & c ?
- How do you prove the following problem step by step and which 4 identities are used to prove?
- 120degree is alarge angle so the triangle qith an angle 120degree ,i mean how we can find perpendicular for that triangle?
- Sin(x+y)= 1, cos (x-y)= #sqrt((3/"2")# find value of x and y?
- I was taught that if the adjacent length was longer than the opposite length of a known angle, there would be an ambiguous case of the sine rule. So why does d) and f) not have 2 different answers?
- What quadrant does cos(-Theta) lie?
- Prove/verify the identity? #sin(alpha-beta)/(cos(alpha+beta)) = (tanalpha-tanbeta)/(1-tanalphatanbeta)#
- How do you express #f(theta)=sin^2(theta)-2sec^2(theta)-cot^2theta# in terms of non-exponential trigonometric functions?
- Find all value of α in [0°, 360°) that will satisfy this equation? √2cos2α-1=0
- Find all value of α in [0°, 360°) that will satisfy this equation? 2sinα=-√3
- Find all real numbers to satisfy equation? 2sin(x/2)-1=0
- Find all real numbers to satisfy equation? Cos(2πx)=0
- Find all real numbers to satisfy equation? sin(πx)=1/2
- #f(x)=3sin(x) +8cos(x-pi/3)+5# .find its range?
- Triangle ABC has AC = 8x-3, BC = 4x-1, angle ABC = 120 and angle ACB = 15. show that the exact value of x is (9+sqrt6) divided by 20?
- How could I prove that this is true?
- Can you solve for x? cot x sin x + cot x = 0? Thank you.
- Find cotangent of theta if cosecant of theta equals 8/3?
- Find secant of theta if tangent of theta is the square root of 29 over 4?
- How do you verify tan (x-(pi/2)) = cot x? Thanks.
- A forest ranger looking out from a ranger's station can see a forest fire at a 33 degree angle of depression. The ranger's position is 100ft above the ground. How far is it from the ranger's station to the fire?
- How do you verify sec^2 x tan^2 x + sec^2 x = sec^4 x? Thank you!
- What are the exact solutions for 2cosϴ+2sinϴ=√ in [0,2π) interval?
- Find #sintheta#, #costheta#, and #tantheta# under the given conditions: #sin2theta=1/5, pi/2 <= 2theta < pi#?
- Question #605ff
- #cos(x)cot(x)=0#?
- What is the exact value of the other primary trigonometric ratios of #tanTheta=(-5)/12# in quadrant II?
- If #tan(cos^-1x) = sin(cot^-1 1/2)#, what is #x#?
- Simplify using the double angle formula? #cos^2(2pi/5) - sin^2(2pi/5)#
- Prove the identity. tanx-cotx/tanx+cotx=sin^2x-cos^2x Have to show the statements and the rules?
- Cos(x+pi/3)+cos(x-pi/3)=cosx Have the show the statement and the rules? Thanks again
- How do you express #f(theta)=-sin^2(theta)-2cos^2(theta)-5sin^4theta# in terms of non-exponential trigonometric functions?
- Can you find the exact value of the following?
- Can you explain the following question/answer?
- Verify: #(1+tan^2 theta)(1-sin^2 theta)=1#?
- The pitch of the roof on a building needs to be 3/14. If the building is 38 ft wide, how long must the rafters be?
- Cos^-1(sqrt3/2) = ? cos^-1(sqrt2/2)= ? cos^-1(-1/2) = ?
- Is this true or false? #sin^2(θ) ≠ sin(θ)^2#
- Solve the right triangle if sinB = 6/7? I attached a picture of the triangle as well. Thank you.
- Find the exact value of cos(x) if tan(x)=5 and is in quadrant I?
- How to prove? #(cos4x+1)/(sin4x)=cot2x#
- How do i simplify this ? # (tga + tgb)/(ctga + ctgb) #
- Can you solve the equation for this interval [0, 2pi]? Sin(2x-(pi/4)) = (sqrt2)/(2)
- What is the length of an arc of circle, knowing the central angle of (pi/4) and radius of 7cm?
- #cos 45°# is equal to #sin# of what?
- how to simplify (1/sin^2x) - (1/tan^2x)?
- A 12 inch (in diameter) pizza is cut into various sizes. What is the area of a piece that was cut with a central angle of 31 degrees? The area of the piece of pizza is approximately ____ square inches. (Round to two decimal places as needed.)
- Pitcher Joel Zumaya was recorded throwing a pitch at a velocity of 104 miles per hour. Assuming he threw the pitch at an angle of 3.5 below the horizontal, find the vertical and horizontal components of the velocity.?
- Given that cos t=(3/4) and that P(t) is a point in the fourth quadrant, what is sin (t)?
- How do I prove that sin(a) + cos(a) ≤ √2 for all angles (a)?
- Evaluate the following expression, using a calculator if necessary. If the answer does not exist, indicate "DNE." #csc^-1(-.01)# Enter your answer in radians rounded to four decimal places?
- Cot theta +Csc theta - 1/cot theta - csc theta +1=?
- Double angle formula question... Can I please get some help?
- From the ends of a straight horizontal road 1km long, a balloon directly above the road is observed to have angles of elevation of 57◦and 33◦respectively. How to find the height of the balloon above the road ?
- How to find the value of sin 5π/6?
- How to prove #cos^2(theta/2) = (1+sectheta)/(2sectheta)#? Thanks in advance
- #(sin^2 theta + cos^2 theta + cot^2 theta)/ (1+ tan^2 theta)= cot^2 theta#?
- What is the value of Cos2π^2?
- Prove the identity Tan^2x-sin^2x is same as (tan^2x)(sin^2x)?
- How can you prove this? (Cscx+1/cscx-1)-(secx-tanx/secx+tanx)=4tanxsecx
- What is sin^2 x(csc^2 x-1) ?
- Tan x=-1 in the interval [0,4pi]?
- What is #cos 240° - cos 0°#?
- 2 points, A and B lie on opposite sides of a river. Another point, C is located on the same side of the river as B at a distance of 230 feet from B. If angle ABC is 105 degrees and angle ACB is 20 degrees, what is the distance from A to B?
- How do you find csc ø/2 if sin ø = 8/17 using the equation π/2 <ø < π ?
- -sinx/√1-cosx ?
- Why we write (sin 3π/5) as sin(π-2π/5)? What is the reason of writing it ?
- Given that sin t=(-2/3) and that P(t) is a point in the third quadrant, what is cos (t)?
- How can I solve this? tan^2 x +(√3-1)tan x -√3 =0
- How do you rewrite cos^2 x - (1/2) using double angle formula? Thank you.
- Prove that #(sint-cost)/(sint+cost) = (2sin^2t-1)/(1+2sintcost)#?
- 20 cos theta -20 sin theta=0 then find the value of sec theta n sin theta?? plzz i need the solution of this sum
- How do you prove that #(tan theta-cos theta)^2+ 4 sintheta= (tan theta+ cos theta)^2#?
- Simplify ? # (cos^2a - sin^2b)/(sin^2a • sin^2b) - ctg^2a • ctg^2b #
- Consider a triangle with sides of length 8cm, 12cm and 14cm. What are the sizes of all interior angles of the triangle?
- Simplify sin^2b/1+cosb=?
- How do i solve for a right triangle?
- Prove the trigonometric identity: tan^2 θ cos^2 θ = 1- cos^2 θ?
- What is the distance between the 2 trees? See image for details
- How do you solve #4\cos x \cdot \cos 2x \cdot \cos 4x = \sin 8x#?
- How would you prove the following equation? #(secx)/(1-tanx) =(1)/(cosx-sinx)# Thank y'all for the help!
- How does one evaluate the identity and prove it to be correct?
- Find all solutions to the equation cos x tan x = cos x on the interval x € (0,2pi)?
- Find the trigonometric form of the complex number #-2+2i#?
- #cos(pi/24) = ?# #A. # #sin((11pi)/24)# #B. # #sin((23pi)/24)# #C. # #sec((23pi)/24)# #D. # #sec((11pi)/24)#
- Simplify #(sintheta + cos2theta - 1)/(costheta-sin2theta)#?
- Y=3 sin 2 theta? I have to identify the amplitude and the period of each function Need help I do not understand
- How do you rationalize? sqrt(1+cosy)/(1-cosy)
- (1-cos(x))(1+cos(x)= 1/(csc^2(x)) verify the identity?
- How do you determine the following? 1. cos 0 2. the length of BD 3. Determine y correct to 2 decimal places 4. calculate the length of EC with out a calculator?
- How do I verify the trigonometric identity?
- What are the six trigonometric ratios the hypotenuse is x opposite side is 3 adjacent is 3 square root of 10?
- How do i calculate the following?
- CscAsecA-cotA??
- Can you solve this for me please?
- Prove the following?
- How do you determine the value of sin2 0 + cos 2 0 ?
- What are the solution in the interval [0, 2pie]? sec^2x-tan^2x=0
- Find, to the nearest degree, the angle of depression of a boat 200 metres out to sea, from the top of a vertical cliff of height 40 metres. HOW?!
- How to find the following pronumeral in the diagrams below?
- A ladder of length 5 metres is placed on level ground against a vertical wall. If the foot of the ladder is 1·5 metres from the base of the wall, find, to the nearest degree, the angle at which the ladder is inclined to the ground. How to do this?
- Cos3x= square root of 3/2?
- What is the value of x in the following equation fo [0,2Pi]? Sin2x = - cos2x
- If 𝐴 = #sqrt(1+cos 320°)/2# and 𝐵 = #sqrt( 1−cos 320°)/ 2# , then 𝐴 + 𝐵 =?
- How does one verifty #sectheta=secthetasin^2theta+costheta#?
- Verify this is an identity? cos 3t=cos^3 t-3sin² t cos t
- How does one verify #sinx-cscx=-cos^2x/sinx#?
- Write Cos 20° in terms of sin.?
- What is the Trigonometrical equation solving formula?
- How to prove the identity ? #1- (tan^2x/(1+tan^2x)) = cos^2x#
- What is the shape of y=-3?
- Prove (sinx/1-cosx)=cscx+cotx ?
- how to solve cos^3x csc^3x tan^3x=csc^2x-cot^2x ?
- How do I solve tan(x/2)=(2-sqrt(2))/2sinx for x, with restrictions of an interval [0,2pi] ?
- Solve: #2cos (x/3) = 2# ?
- Verify this is an identity? cos2x+cos2y/sinx+cosy=2cosy-2sinx
- Solving Trigonometric Equation. Rewrite the equation 3cscx - sinx = 2 in terms of sine. Then, solve algebraically for 0 < x < 2pi?
- Verify this is an identity? #2 sin^2 (u/2)=sin^2u/(1+cosu)#
- Verify this is an identity? cos2x/sin²x=csc² x-2
- Write sec theta - tan theta sin theta in terms of sin theta and cos theta; then simplify if possible. (Leave your answer in terms of sin theta and/or cos theta)? See details for the problem
- Prove (1=tany/siny)=secy+cscy ?
- How to solve 2sin^4y-3sin^2y+1=cos^2y(1-2sin^2y) ?
- Alpha + beta is 45 Then what is the value of tan alpha + tan beta?
- Which values of x, within the intervals of [0, 2π], satisfy sin x = 0.5?
- How to solve tan^2y sec^2y-tan^4y=tan^2y ?
- Given that #cos(x) = -3/4#; what is the value of #x#?
- B is on a bearing 36 degrees from A and 8.4km from A. C is on a bearing of 147 degrees from A and 13.2km from A. How to find: (i) BC? (ii) the bearing of C from B?
- #sin(x) > 1/2" in "[0,2pi)#?
- How do i verify sec x- cos x = sin x tan x?
- If tanx=-3/4 and 3Π/2<x<2Π,then value of sin2x?
- How is Cosx = 1/√1+tan²X ?
- Use identity to simplify equation? sin12°/1-cos12°
- If csc(ϴ) = 6, find the exact value if sin(2 ϴ)?
- If sec=-√10, what are the remaining five trigonometric functions?
- Solve: #1/sqrt(2)(sin Theta + cos Theta) = cos Theta# for #Theta in (0, pi/2)# ?
- A hiker sets out to climb a mountain with a 4,000 ft vertical ascent. If the angle of incline is 12°, what is the total distance he has to travel to reach the summit?
- What is the value of tan 120° ?
- What is the exact value of tan(t+x) given that sin(t)=3/5 and sin(x)=12/13 knowing that t & x are between 0 and pi/2 and that the sides are Pythagorean triples?
- Use identity to simplify equation? #2sin13°cos13°#
- Use identity to simplify the expression? 2sin(π/9-π/2)cos(π/2-π/9)
- Find the #cos(y - x)# if #cos(x) = 15/17#, #cot(y) = 24/7#, #0^@ < x < 90^@# and #90^@ < y < 180^@#?
- If cot ϴ = -3/4 and 90 degrees < ϴ < 180 degrees, find sec ϴ?
- If cos theta=0.6 and 270<theta<360, find the exact value of sin 2 theta ?
- Convert the rectangular point (-1, 3) to polar form?
- What is the equivalent expression for cos^3(2x) that does not involve any powers of cosine or sine greater than 1?
- How do you verify this? sin(x) cos(x) [tan(x) + cot(x)] = 1 Thank you!!
- What is the value of #sin(arcsec(x/3))#?
- Solve algebraically cos2xsinx+sinx=0 with solutions in the interval [0,2pi)?
- Find the exact value of sin2(θ) and quadrant where it is if cosθ=-(4/5) with θ in quadrant II?
- If sin theta = -4/5 and theta is in quadrant 3/ find tan (theta/2)?
- Express sin x - 3 cos x in the form of r sin (x-y) with r>0 and 0< y < (pi/2) ?
- (1+tan^2x)/tanx ?
- In right triangle ABC, sin A = 2/5. Find sin(90degrees - A) Please explain?
- How would you write each expression in terms of sin θ and cos θ and simplify?
- Show how to prove that the first expression is identical to the second expression.?
- How do you solve the equation on the interval [0,2pi) for ?? 3sin theta-1=0
- How do you find all solutions in the internal [0,2pi) for 5cos 2theta=0 ?
- How to solve this trigonometric equation?
- What is the value of cos^2 pi?
- A flagpole casts a shadow that is 15 feet long. The angle of elevation at this time is 40°. How tall is the flagpole?
- Represent all the trigonometric ratios as positive and negative in the 4 quadrants?
- Prove it please. ?
- How do you solve sec #x# = cosec #3/4pi# for the range value of #0 <= x <= 2pi# ?
- What are the angles that would satisfy the following trigonometric equation below, ranging from 0 degree to 360 degrees?
- Prove that the first expression below is equal to the one after it?
- How do you simplify this expression sin(4π+x)?
- Prove this is an identity? 1-sinx=1-sin²(-x)/1-sin(-x)
- Can we prove this is an identity? Sin(x) Cot(x)=Cos(x)
- Is this equation an identity? Cos²y-Sin²y=Sin(2y)
- Can someone explain to me how you would get (1+cot^2X) from this?
- Solve on the interval [0,3π[ the equation:? Sin^2(x)=tan(x) We have t=tan(x) Please help me to solve this exercise
- A ladder of length #5# units makes an angle of #50^0# with the ground and reaches 1 unit from the top of a wall of a house. How high is the wall?
- Can you solve 9sin^2theta - 6sintheta = 1 over [0 degree, 360 degrees) ?
- Can you graph?
- Can you solve cos 2x + cosx = 0 ?
- Can you solve (sintheta) (cottheta) - cos^2theta = 0 ?
- Can you solve tantheta - cottheta = 0 over [0, 2pi) ?
- How do you simplify this expression 1+tgx/sinx+cosx?
- How many solutions are there for the system of equations y = sin^2x – 2^(1/2) sinx – 1 and y = x – 3 on the interval [0, 2π)?
- The measures of the angles of a triangle are in the ratio 5:6:7. What is the measure, in degrees, of the smallest angle of the triangle?
- A pole leans away from the sun at an angle of 9° to the vertical. When the elevation of the sun is 49°, the pole casts a shadow 43 ft long on level ground. How long is the pole?
- Θ = π/2 Convert the polar equation to rectangular form. ?
- Simplifying Trig Expressions help #2. Can someone please help me?
- How to prove that : #1-cos^4A/sin^4A= 1 + 2cot^2A#?
- The angle of elevation of an aircraft from a point on horizontal ground is found to be 30 degree. After 24 secs it's elevation found to be 60 degree. If the height of the aircraft from the ground is 3600√3 metre, find the velocity of the aircraft.?
- Double Angle Identities question. Please help?!
- How can I prove that (2 csc^2 (x) − 1) = ((csc^4 (x)) − (cot^4 (x))) or if it does not, how can I prove that?
- If csc θ =-4/3 and cos θ >0, in which quadrant does θ terminate?
- [HARD] Can You Help me With A Riddle of a Trig Question?
- Solve the equation? (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.) 4 sin^2(x) + 6 sin(x) + 2 = 0
- Tan²x=2secx-1 solve?
- Convert the equation y =#-(sqrt(3)/(3))x# to polar form?
- Convert the equation 6x+5y+6=0 to polar form?
- Convert the equation y = 5 to polar form?
- Given #sin(alpha) = 3/5# and #cos(beta) = - 40/41#, with both angles in Quadrant II, what is #sin ( alpha + beta )#?
- Given cos β = - 4/9 with β in the third quadrant, what is the exact value of tan β/2?
- What is 5 csc θ - 3 = 2 ?
- #R = 7/(4 − 6 sin(theta))# Convert the polar equation to rectangular form. ?
- How do you find the value of tan(sin^-1(1/3))?
- Simplify #4(tan^2x-sec^2x)#?
- Given cos x = 1/4, with x in the fourth quadrant, what is the exact value of sin x/2?
- What is the answer and how did you get it?
- Solve for #x# in #sin2xsinx-cos2xcosx=-cosx#?
- What are the solutions to 7tan^2theta-4tantheata=0?
- What is equivalent to 2sin(2x) / (1+cos(2x))(1-tan^2x) using double angle formulas?
- What is the value of θ in tan(7θ+10)=1/tan(5θ-4)?
- If sinx=55/65 then sinx +cosx = ?
- How to find result ?
- Tanx/1-cotx+cotx/1-tanx=?
- In triangle ABC, angle B = 23 , side c = 43m, and side a = 19m. How do you find side b?
- What is the value of sin inverse of cos 53pi/5??
- If #6sinA + 8cosA# = 10 , how to prove that #TanA = 3/4# ?
- The length of vector joining the points A and B with position vectorsv#( 3hati + 2 hat j+ hatk )&( hati +hatj+hatk)#?
- How do you graph #2sin(2x+30°)#?
- Find #x# in degrees radians (either one is fine)? #tanxsinx-tanx=0# Thanks in advance
- The function #f(x) = (1 - cos(2x))/sin^2x# can be written as #f(x) = A#. What is the value of #A#?
- PROVE 1+cot^2x/cot^2 = sec^2 ?
- HOw to complete the identity of tan(theta/2)-cot(theta/2)?
- Verify the identity.? cot^2x + csc^2x = 2csc^2x - 1
- Verify the identity.? 1 + sec^2xsin^2x = sec^2x
- Verify the identity.? cos(α - β) - cos(α + β) = 2 sin α sin β
- What is Tan30°/cot60°?
- An airplane climbs at an angle of 11 degrees with the ground. Find the ground distance it has traveled when it has attained an altitude of 400 feet?
- How do i find csc(7pi/3)? the answer is (2√3)/3
- For x∈(0,π) cos2x=cosx, cos3x=?
- How do you find csc ø/2 if sin ø = 8/17 and π/2 < ø < π ??
- Help, please?
- How do you prove that a triangle is equilateral iff #sinA+sinB+sinC=(3sqrt3)/2#?
- How to prove? A)√((1-sinθ)/(1+sinθ ))=secθ-tanθ B) sinA-sinB/cosB-coaA = cot(A+B/2)
- Question #06bcd
- How to solve the equation? 2cosθ/2+1=0 0<θ<2π
- Find the value of #/_A#, where #0^@<=A<=90^@#?
- Α+β=90...α=2β...then sinsquare β+cossquare β= ?
- Convert the point (2,π/3)from polar to Cartesian coordinates?
- How do you prove that #(1 + secx)/secx = sin^2x/(1 - cosx)#?
- 1/sin^2 - 1/tan^2?
- It is given that α is anacute angle and that tan α = #sqrt(5)/"2"# . Answer the follwoing question!?
- Help please?
- Write this expression in terms of sine and cosines and simplify? (Cosßtanß+1) (Sinß-1)
- Prove this equation is an identity? secx/tanx- tanx/secx=tanx/cscx
- How do you use a double angle formula to write 1-2sin^2(pi/5) as a single trig function of twice the angle?
- How to find the product of #(sinA-cosA)*(sin^2A+sinA*cosA+cos^2A)# ?
- How to proof # tan((3pi/2)-x)=cot(x)#?
- How do you prove? #Sin^3A+cos^3# = #(sinA+cosA) (1-SinA*cosA)#
- Show that #cot (-390°)-4 cos 480# = #2-sqrt3#.?
- Please solve q.26 part one? If #cot((alpha+beta)/2)+cot((beta+gamma)/2)+cot((gamma+alpha)/2)=0# **Rtp** #cosalpha+costheta+cosgamma=3cos(alpha+beta+gamma)#
- How do u prove that a triangle is equilateral iff #tanA+tanB+tanC=3sqrt3#?
- (9cos2x)(-8cosxsinx)?
- If #(sec(t) - 1)/(sec(t) + 1) = (A - cos(t))/(A + cos(t))#, then what does A =?
- Evaluate tan (-1575)?
- Derivative with respect to x (sinx2)3 ?
- How do I use the reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angle 5 cos^4(x) ?
- How do you simplify cos(2tan^-1 x)?
- How to solve this problem?
- Cosx=1-tan^2(x/2)/1+tan^2(x/2)?
- Simplify tan^2theta - sec^2theta ?
- How do you work this problem 6 sin (pi/6) 6 cos (pi/6)?
- How do you use a graph to solve an equation on the interval?
- Because sin (-t)= -sin t, can it be said that the sine of a negative angle is a negative number?
- Prove that for x is greater than or equal to 1: arccos(1/x) = arcsin((sqrt(x^2 -1)/x) Anyone know how to do this?
- Find the value :- cos^2 x - cosec ^2 x + cot^2 x - cosec ^2 x=?
- How can you simplify #sin^4a + cos^4a#?
- How do i solve for a right triangle?
- How to prove that α+β=π/4 ? When α=arctan(1/2) and β=arctan(1/3) ?
- How do you prove? ##Sec^4A-sec^2A = tan^4A+tan^2##
- How do you factorize? ##3tan^2A+2tanA-8##
- Can #tan(x)=cot(x)#? If yes, list all possible values of #x#?
- Please simplify it tan^2x-1 in terms of sec?
- What isthe exact value of tan-3pi/4?
- How do we Find the maximum and minimum vlaues of #1/(3sinx-4cosx+7)#?
- How do you solve: #sin^2(2x)+2cos^2(x) <2# ? Thank you
- How can you prove sinθ/1+cosθ + 1+cosθ/sinθ = 2cscθ?
- Given that cos2y = -7/25 such that y is between 90 and 180 degrees. What is the value of siny?
- Find sin theta, given that cos 2 theta = 1/4 and 0< theta < pie /2 ?
- How do you simplify sin^3θ-cos^3θ/sinθ-cosθ ?
- Sec x cscx =2cscx How do I factor this?
- How do you prove #(1+sinx)/cosx = cotg( pi/4 - x/2)#? I need your help please !!!! :(
- Half angle identities?
- How can you prove sinθ+cotθ(both over)/cosθ = tanθ+cscθ?
- Probablity question?
- How do you prove Sec^2θ+tan^2θ=sec^4θ-tan^4θ ?
- How to solve this trigonometric equation: cos(x) * cos(2x) * cos (3x) = 1? Thank you!
- Simplify cos^2 44degrees - sin^2 44 degrees by using double-angle formula?
- If #tan A = (A + sqrt(1-A))/(A + sqrt(1+A))#, find the value of #sin 4A#?
- How do you prove this identity #3/(1-cos(a)) +3/(1+sin(a)) =6csc^2(a)#?
- Prove the cofunction identity using the addition and subtraction formula? sec(pi/2-u)=csc u
- How do you find the complement of an angle?
- If #sinx+siny=sqrt3 (cosy-cosx)# Find the value of #sin3x+sin3y#?
- What is 1+tan2x / 1-tan2x?
- How can I prove this equation is an identity? #sin^4w=1-cot^2w + cos^2w (cot^2w)/(csc^2w)#
- Can you help me determine the period and sketch at least one cycle of the graph for this function? y=tan πx
- How can I simplify this expression? Sin(ß)Cos(-ß)Csc(ß)
- Period of sin2x +cos2x ?
- How to do cos 33 pi over 4?
- What is spherical trigonometry?
- If the measures of a triangle are #90°#, #55°#, and #3x + 5#, what is the value of #x#?
- How do you verify the identitiy?
- How do I find an angle that is not on the unit circle?
- How can this be verified?
- Write in terms of sine only?
- What's the answer??
- Can anyone help me with this vector question?
- Cos^2y-sin^2x/sin^2y-cos^2x=-1 , can you prove it?
- A farmer uses an irrigation sprinkler system that pivots about the center of a circular field. Determine the length of the sprinkler if an area of 2060 square feet is watered after a pivot of 40 degrees? The length of the sprinkler is approximately____
- If #cosA+cosB+cosC=0# Then prove that #cos3A+cos3B+cos3C=12cosAcosBcosC# ?
- Given that sin(B)=1/5 and AD=BD , find sin(∠ADC).?
- Write the value of sin(25-a)-cos(65+a)?
- 1/(cos(2*y)-cos(y)^2) How can I simplify this?:(
- Sin^2(x).cos^2(x)=cos(x).sin^2(x)+cos(x).sin^4(x)?
- Prove that: if #A+B+C=180°# #cot(A/2)×cot (B/2)×cot (C/2)=cot(A/2)+cot (B/2)+cot (C/2)#?
- A guy wire to a tower makes a 65° angle with level ground. At a point 39 ft farther from the tower than the wire but on the same side as the base of the wire, the angle of elevation to the top of the tower is 38°. How long is the wire?
- Can cos(3*x) = 3cos(x)????
- Solve the triangle ABC with a=123,b=224,c=28minutes and 40 seconds?
- Trigonometry - Can anybody walk me through this (see details)?
- (sinx-cosx)²=1-2 sinx cosx prove?
- A man 6ft tall is standing 8 feet away from a street light that is 215 ft high. How long is the man’s shadow?
- How do I show this equation is not an identity in paragraph form? sin α=square root 1-cos²α
- A 24 foot tree casts a shadow that is 9 feet long . At the same time a nearby building cats a shadow 45 feet long . how tall is the building?
- If sin theta = 3/5 then find remaining ratio?
- Use the compound and double formulae to write the following in terms of A only sin3A(use sin A only)?
- Solve:tan^-1(1/x)+tan^-1(2)=π/4.?
- How do I prove this is an identity? 1/csc(theta)/csc(theta)-cot(theta)=1+cos(theta)/sin(theta)
- How to solve the problem??
- How I write this expression in terms of sines and/or cosines, and then simplify? 1+cosαtanαcscα/cscα
- how do you solve sin(8x+pi/2)+sin(8x+pi/2)?
- Sin (48) x/16 ?
- Find the exact value of sin(tan^-1 1/2)?
- How do i solve for a right triangle?
- What is ln(cos x )= 0 in [0,2pi)?
- Please how I can prove that ? Cos^2(t)=1/1+tan^2(t) Thanks
- Please solve q 35? Actually I can't understand the step that is tick marked
- Given sinθ =3/5 and (π/2<θ<π), how do you find sine (2π)?
- Tan theta =-4/3 where 90 lees then or equal to theta less than 180. find 2theta?
- Cotθ-cosecθ=p. Then Cotθ+cosecθ=?
- Please verify #cot^2x+tan^2x=sec^2xcsc^2x-2#?
- Find the exact value of cos(alpha minus beta) if sin alpha equals 0.5276 and cos beta equals 0.3488, and both alpha and beta are first-quadrant angles?
- Find the exact value of cos(alpha minus beta) if sin alpha equals 0.5276 and cos beta equals 0.3488, and both alpha and beta are first-quadrant angles?
- Simplify? Tan 135- Tan 15 divided by 1+ Tan 135 Tan15
- Help with a trig proof please?
- Simplify? Cos pi/8 Cos 3pi/8 - Sin pi/8 Sin 3pi/8
- Help with a trig proof please?
- Prove that cos pi/16=1/2sqrtof 2+sqrt of 2+sqrt of 2?
- How to solve this inverse function?
- What are the solutions for #sec^2x+6tanx=6# in the interval [0,2pi) ??
- Help with a trig proof please?
- A kite has 120m of string attached to it, when at an elevation of 60 degree. How far is it above the hand holding it?
- How would I go about proving this is an identity? Thank you. (1-sin^2(x/2))/(1+sin^2(x/2))=(1+cosx)/(3-cosx)
- How do you solve for x in 2x=sin(2x) ?
- How do I this equation is not an identity? Write explanation in paragraph form (Siny+Cosy)²=Sin²y+Cos²y
- If cos(x-y),cos(x),cos(x+y) are in H.P then the value of cox(x)sec(y/2) is ?
- Solve for all values of X ? Sinx= cosx+1
- How do i find wy?
- How do i find z?
- How do you prove #(tan^2x+1)(cos^2x+1)=tan^2x+2#?
- How do you prove cos^2a + cos^2(2π/3 + a) + cos^2(2π/3 - a) = 3/2? a = alpha Thanks!
- How do you solve #sin(x)>1/2, 0<x<2pi#?
- How do I without using my calculator, solve the following equation?
- Question #ec0dd
- Question #5471f
- 1+ tan(x/2)/1-tan (x/2).what is the process to solve it?
- How do I simplify cosx(secx+cscx)?
- If p cos^2(x)+sin^2(x)=r,express cos^2(x) n terms of p and r only?
- How do I solve for x in 4(sin(x-pi))(cos(x-pi)) = sqrt2 ?
- How do you simplify 6 sin(t) + 7 tan(t)/tan(t)?
- Solve #sin7x+cos2x=-2#?
- Drawing the reference triangles for trig and inverse trig functions?
- Prove? cotx-tanx = cos2x/sinxcosx
- Prove? 2tanx cos^2 x/2 = sinx + tanx
- Prove? cotx = sin5x+sin7x / cos5x-cos7x
- Prove? sin2x-4cosxsin^3x = sin2xcos2x
- Prove? sin2x=2tanx/1+tan^2x
- How do I answer this navigation problem?
- How do i find m?
- Please help! Geometry? ASAP
- If #tan (x) = 3/4#, what is #cos (x)#?
- How do I simplify this expression? Sin²(-x)-Sin(-x)/1-sin(-x)
- How do I prove this equation is an identity? Secx-Cosx/Secx=Sin²x
- Ferris wheel=123ft tall; 1rev./2min. Central angle theta form arc PA. What is the height of P as a function of time? Assume position A corresponds to t = 0.
- How can verify this equation is an identity? Sin(α+ß)Sin(α-ß)=Sin²α-Sin²ß
- How do I simplify this expression? Sin²(-x)-Sin(-x)/1-Sin(-x)
- How do I find equation for this curve in its final position? The graph of y=sin(x) is shifted a distance of π/4 to the right, reflected in the x-axis, then translate one unit upward
- Simplify sin^-1[(x+(√1-x^2))/√2]?
- (sec^2x+csc^2x)-(tan^2x+cos^2x) Simplify to one trig function?
- Please help?
- How do you simplify #sec^4s - tan^2s = tan^4s + sec^2s#?
- Solve this?
- How are the values for theta derived using the quadratic formula?
- Prove #tan^-1 (cot (theta)) /2 = pi/4 + theta/2#?
- If, Tan a = 1/2, x = ??? My result is: x= sen a + (3/sen a) it's ok?
- What is the right answer for this example?
- How do you solve #2sin^2x = 1 + cosx# for #0° <= x <= 180°#?
- Prove that #sec^4s - tan^2s# equals to #tan^4s + sec^2s#? Thanks in advance
- How do I solve sin( theta/ 2 ) − 1 = 0? Find all solutions of the equation & the solutions in the interval [0, 2π).
- How do you evaluate #\tan ^ { - 1} \frac { x } { 2} = 2\tan ^ { - 1} x#?
- How do you convert 105 degrees to radians?
- Solve for x?
- How do I proof this equation is an identity? 1-sec(x)cos³(x)=sin²(x)
- How do I determine the amplitude, period, and phase shift for this function? #y=-2cos(pi/2x+pi)#
- How do I simplify? sin²x-sinx2/sin²x-4
- If sin(θ) = − 12/15 with θ in Quadrant IV, what is cos(θ)?
- (double check answer) how do i find cd?
- How to reach this result " #5pi/6# with : 2arcsin(1)-1arcsin(1/2)= What are the steps?
- How do i find k?
- Solve for x?
- (sin 22*1/2degree + cos 22*1/2 degree)raise4 =?
- #2(sin^6A+cos^6A)-3(sin^4A+cos^4A)=-1#?
- How do I find T?
- Prove that #2cot(x/2) (1-cos^2(x/2))#is identical to #sinx# ?
- Evaluate (-1)^1/10 using De Moivre's theorem?
- Prove that #(sin3x)/cosx+(cos3x)/sinx=cotx-tanx# ? Please solve this help needed
- How do I multiply 3cis(pi/4) and 5cis(5pi/6)?
- How do I express the given sum or difference as a product of sines and/or cosines?
- Solve the equation for 0<x<360 2csc^2x-cot^4x=-1?
- A ranger in tower A spots a fire at a direction of 312 degrees. A ranger in tower B, located 40 mi at a direction of 54 degrees from tower A, spots the fire at a direction of 272 degrees. How far from tower A is the fire? How far from tower B?
- Sin(2x)=cos(x-pi/6) X= ?
- Can someone help verify this trig identity? (Sinx+cosx)^2/sin^2x-cos^2x=sin^2x-cos^2x/(sinx-cosx)^2
- The sum of two angles in a triangle totals 117 degrees, what is the measure of the third angle?
- Prove #-cot theta = tan (theta + pi/2)#?
- Find the exact value of the expression by using appropriate identities.?
- How to express these vectors in terms of p and q?
- How do I verify this equation is an identity? cos(x+y)/cosx cosy=1-tanx tany
- How do I verify this equation is an identity? sin(180°-α)=1-cos^2α/sinα
- How do I prove this equation is an identity? sin^3+sin(x)cos^2(x)/cos(x)=tan(x)
- How can I prove the following equation is an identity? 1+sec^2(x)sin^2(x)=sec^2(x)
- How do I simplify this expression? sin^2x-cos^2x/sinx-cosx
- How can you solve #cos^2(3x)=1# ?
- How do i solve this trig question??
- How do i solve this problem? trig)
- Finding m<h?
- Convert 270°into radius?
- How do you find the polar coordinates for (-1, -4*π/3)?
- How to prove this identity? #sin^2x+tan^2x * sin^2x= tan^2x#
- An aircraft leaves A and flies 257km to B on a bearing of 257 degrees. it then flies to C 215 km away on a bearing of 163 degrees from B. Calculate <ABC?
- Help w/ Trig Questions? #1
- How do i find m<d???
- How do I solve 1-sinx = 3cosx for [0,2pi)?
- What is the hypotenuse of a triangle with legs of #5# and #9#?
- How do you simplify this 2 cos ^3 x - cos x = cos x ?
- Find the Range of 3sinx-2=0 ?
- State the number of possible triangles that can be formed using the given measurements? C= 52°, b= 31km, c= 30km
- Solve #cos^4x-1=0# for all values of x?
- How do i find m<t? (trig help plss)
- How do you evaluate #(tan^2((pi)/7) + tan^2((2\pi)/7) + tan^2((3pi)/7))/(cot^2 (pi/7) + cot^2 ((2\pi)/7) + cot^2 ((3\pi)/7))#?
- #tan^1(x+sqrt(1+x^2))#,Express the value of the above in the simplest form?
- 1) If θ is a fixed real number with 0≤θ<2π Show that for all real x, cos(x)+cos(x+θ)=Acos(x+φ) where φ=θ/2 and A=2cos(θ/2) 2) Determine θ if A=1/4 and if A=-1?
- A is an acute angle and #cos A=5/13#. Without using multiplication or calculator,find the value of each of the following trigonometry function a) #cos (180°-A)# b) #sin (180°-A)# c) #tan (180°+A)# ?
- If #cot \delta = sqrt(3)#, what is the value of #\delta#?
- Show that cot3x= (t^3-3t)/(3t^2-1) where t=cotx?
- Sin(A+120) =?
- Find the exact solution of each equation over the interval [0,2pi)???
- 2tan(x)(sin(x)+cos(x))=sec(x)(1+sin2x-cos2x) how to prove this?
- Solve for x,y?
- How do you prove 1+cos2A/cos2A=tan2A/tanA?
- How do you evaluate #cot(pi/4)#?
- How do we solve this?
- How do you simplify this?
- Find the exact value of -cos (7pi)/12?
- How do i solve 2cos 2x -1+0 ?
- How can i solve this?
- How do you prove that #cot^2(pi/7)+cot^2((2pi)/7)+cot^2((3pi)/7)=5#?
- How do you prove (cotx + cscx / sinx + tanx) = (cotx)(cscx)?
- Sin210/cot150 ?
- How do you simplify #(1+sin^2x)^2 - (sin^2x-1)^2?#
- How do you find the general solution of #\sec ^ { 2} 2x = 1- \tan 2x#?
- How do you convert -3°53' to radians?
- If cot θ=-3/4 on the interval (90°, 180°) find sin θ? If sin^2 θ * sec θ * cot θ = (sqrt3)/2 find sin(θ+pi)?
- If cos θ=4/5 on the interval (3pi/2, 2pi) find the exact value of tan 2θ?
- If (tanA + tan30)/(1-tanAtan30)=-1 Determine the value of tanA?
- Solve tan x - sqrt3 = 0 on the interval [0,2pi)?
- How do you prove that sin30=3sinx-4sin²x?
- How will you going to answer a=10,A=61°,B=49°?
- How do you solve: sin^2x-3sinx=0? Would it be no solution because if you take sin out of the equation and you're left with sinx=3?
- How do solve how to solve cosx-2sin^2x=1?
- How do you solve (cosxsin^(2)x+cos^(3)x)/(sinx)=cotx ?
- How do you Solve 3sinxcos^2x+sin^3x=sinx ?
- How would you write 0.3 in degree measure?
- Can anybody know how to solve this trigonometry problem???
- Express (picture below) in terms of sin θ?
- How to solve tan(arcsin(x) + arccos(y)) in terms of x and y only?
- Find an expression equivalent to (1-sin^2 θ) / (1-cos^2 θ)?
- Can someone help me solve this problem?
- The angle at the vertex of the cone-shaped shock wave produced by a plane breaking the sound barrier is related to the Mach number M describing the plane's speed by the equation 1/sin θ/2 = M. For what value of cos θ will the Mach number be 2?
- How much value is tan 30o is ?
- The diagram shows a ladder of length 2λ leaning against a wall so that the foot of the ladder is distant 2α from the wall. HELP!?
- How do I solve this law of sines question? 16(sin x) = (sin 110)9
- Two wires support a utility pole and form angles α and β with the ground. Find the value of sin(α - β) if tan α=4/3 on the interval (0°,90°) and cotβ=5/12 on the interval (0°,90°)?
- 1 radian convert into degree minute second ?
- Solve cos 3theta+cos 2theta=sin 3theta/2+sin theta/2?
- Hello, can someone please help me solve this problem? How do you solve: Cos2theta + 2Cos^2theta=0 ?
- How can I solve this?
- How can you do?: #cos(x) sin(4x) - 2sin^2(2x) sin(x) = sin(5x) - sin(x)#
- Prove the following identity?
- Rewrite as a sum?
- Prove the following identity?
- Find the Value of tan 1800°?
- Can anybody how solve this trigonometry problem???
- Give me please solutions of this question?
- The formula for cos3A?
- The value of sin 120.?
- #sin(x) + sin^2( x) = 1" so, "cos( x) + cos^2( x) = ?#
- How to rewrite the function #d(theta)= (x^2sin(theta)cos(theta))/4.9# so it involves a single trigonometric function?
- What is the a value of x such that sinx = 2/3?
- How do I solve cos^2x = sin^2(x/2) ?
- Given #sin theta=4/5#, #theta# lies in Quadrant 2, find #cos theta/2# ?
- Prove that (1)/(1-cosx)+(1)/(1+cosx)=2sec^(2)x ?
- Use the power-reducing identities to write #sin^2xcos^2x# in terms of the first power of cosine?
- Rewrite as a sum: #6(sin5theta)cos2theta# ?
- Can anybody can help me how to solve this trigonometry problem?
- Prove the identity #(1/sinx - 1/tanx)^2 -= (1-cosx)/(1+cosx).# ?
- Cos(x+90°) = 2 sin^2 x -pi/2 < x < pi/2 Solve algebraically?
- How do i solve this problem???
- How can I solve this?
- How can I solve this?
- How can I solve this?
- How can I solve this?
- How do you evaluate #\csc ( \cos ^ { - 1} ( \frac { - 7} { 25} ) ) #?
- A window washer on a ladder looks at a nearby building 126 ft away, noting that the angle of elevation to the top of the building is 18.4 degrees and the angle of depression to the bottom of the building is 8.4 degrees . How tall is the nearby building?
- Ho do I simplify if possible: (x + 1/x) / (2 cosh(ln x)) ?
- Slove the equation cosh(lnx) =2sinh(ln)-1?
- Cos x cos y / sin x sin y = cos (x+y) + cos (x-y) / cos (x-y) - cos (x+y) ?
- Find the general value of x if: cosx+sinx=cos2x+sin2x, using sinc-sind and cosc-cosd formula?
- Sin (x+y) + sin (x-y) / sin (x+y) - sin (x-y) = tan x cot y ?
- How to transform the rectangular equation to the polar form?
- How to rewrite sin(x)cos(x) with a single trigonometric function?
- Prove the following identities?
- Cot B / sec B - tan B - cos B / sec B + tan B = sin B + csc B ?
- Prove that: #tan 70-tan 50+tan10=sqrt(3)#?
- Cross product of (2,4) x (-6,3) ?
- If #cos(a) =0.1926#, then what is a?
- What is sec^x -1 simplified?
- How do I simplify #sin^4x-2sin^2x+1#?
- How do you simplify #1/cos^2x-1#?
- How do you solve cos 3x+cos 2x + cos x =-1/2 ?
- Could you demonstrate this equation?! And thanks you btw! 3arctan(2-sqr(3))=arctan1/2 + arctan1/3
- #tan^2(x)=0# How can you solve for #x#?
- What are the asymptotes of #cot(x+90°)#?
- How do you verify #(cosxcotx)/(1-sinx)-1=cscx#?
- #(2tan theta)/(1+tan^2 theta)#?
- How many solutions does #sin^2(2x)=1# have for #0≤(x)≤(3π)#?
- 3=2cos^(2)x+3sinx?
- How do you prove #(cos t)/(1+sint) + (1+sin t)/(cos t) = 2 sect#?
- How would you rewrite sin(x-pi/3)?
- Sqrt(sin^8x*cos^5x)*sqrt(cosx) What is the answer?
- Find an exponential function of the form f(x)=ba^x or f(x)=ba^x+c. With the given points. (1,5) (0,2). The graph is increasing from quadrant 2 to quadrant 1?
- Use a calculator to solve the equation on the interval [0, 2π). (see picture for more info). Thanks a lot!?!
- Sin(2θ)=1/2?
- How to complete this identity? (See picture). Thanks!
- R = cot(#theta#) converted to rectangular form?
- How to simplify the expression ?
- Please, help me solve it! Or give me a method!?
- If √2 sin x - 1 = 0 find the value of 0 < x < π (?)
- How do you find the sum of all solutions of #cosxcos(x+pi/3)cos(pi/3-x)=1/4#. if #x# is in #[0, 6pi]#?
- How do i establish the identity? I am not that great a trig. sinA cscA - sin^2A = cos^2A
- What is 6 cos45°+ 3 sec45°?
- Express tan θ in terms of cos θ?
- If csc(x)= 15/2, (In quadrant 1) what is sin(2x) (to the nearest four decimal places)?
- OMG Trigonometry is driving my senior year crazy! How can I complete this identity please? see picture, thanks a lot!
- How can I solve the equation for this interval, (see picture)? Thanks!
- How do you work out: (tan(x)cos(x))/(sin(x))?
- If #cos(alpha-beta) +cos(beta-gamma) +cos(gamma-alpha)=-frac{3}2#,can you prove that #cos alpha +cos beta +cos gamma=0# and #sin alpha +sin beta +sin gamma =0#?
- How can I simplify this trigonometry expression? Thanks!
- Please help me how to solve? Thanks tan t+1/sec t
- Prove: #e^(i pi)+1=0# "?"
- #(CosA+2CosC)/(CosA+2CosB)= SinB/SinC#, Prove that the triangle is either isosceles or right angled?
- What is the period of cos nx?
- Solve (sinalpha/sin2x)+ (cosalpha/cos2x)=2?
- Solve (2+sqrt3)cos theta=1-sin theta?
- Prove that #(1+secx)/tanx=cot(x/2)#?
- How do you show tanx/tanx+sinx = 1/1+cosx?
- if #cos theta +sin theta=1#,then prove that # cos theta-sin theta=(+) or (-) 1 #?
- Sin (60°+theta)-cos (30°-theta)=?
- What is Cos(Sin^-1(0)) ?
- How do you verify sin3x/sin2x=2cosx-1/2secx?
- The hour hand of a clock moves from 11 to 4, how many degrees does it move?
- Prove #(sin^2x-tan^2x)/(1-sec^2x) =sin^2x#? The only way I see is to change the #1-sec^2x# to a negative tangent, and cancel out the tangent on top. But, I’m pretty sure you can’t do that, can I?
- Can you please help me simplify #(sin(x) + cos(x))^2#?
- Solve sin^x+sin^2x=1?
- How can I solve this??
- The function #f(x)=sin(3x)+cos(3x)# is the result of series of transformations with the first one being a horizontal translation of the function #sin(x)#. Which of this describes the first transformation?
- . A tree in front of a building has a height of 16 feet and casts a shadow of 8 feet. The building casts a shadow of 32 feet. What is the height of the building?
- Sin^4x=1/8(3-4cos2x+cos4x) How to prove?
- 4cosa.cos(60-a).cos(60+a)=cos3a ?
- #tan theta + 2tan2theta + 4cot4theta = cot theta # How to prove?
- Can you prove that ? cos2θ = 2cos^2θ-1 ......thanks
- How do you find the EXACT value in simplest radical form for tan (11π/12) by using a sum or difference identity???
- What is the angle between 0 radians and 2π radians that is coterminal to the given angle, 9pi/4?
- Cscx/secx = cotx ?
- Given that sin t= (-2/3) and that P(t) is a point in the 3rd quadrant, what is the cos of t?
- If cosec A = 2/√3, then find the value of A in terms of π ?
- How can you rewrite this trigonometric expression as an algebraic expression?
- How would you solve: tan(15 degrees)/1-tan^2(15 degrees)? (show steps) Thanks
- 2(sinx-sin^3 x)/cosx = sin2x ?
- How can Sine, Cosine and Tangent be found?
- How do I verify sin^2-sin^4=cos^2-cos^4?
- Given that sin t =(1/4) and that P(t) is a point in the second quadrant, what is the cos of t?
- Show that sin^2 30°+sec^2 30°+tan^2 45°=2?
- Write each expression as a single angle and evaluate if possible? 2Sin30°Cos30°
- What is the exact value of cos 60?
- 1/sinx + 1/tanx=pi/2 Prove that 2x²+1=√5?
- How can this be reduced to the simplest form?
- Tan(30) x cot(60) - cos(30) x cos(45)?
- Rewrite #2sin^6(x)# in terms of an expression containing only cosines to the power of one?
- If tanA=3/7 find the values of 2cosAsinA-cosA/1+sin^2A-sinA-cos^2A?
- How do you solve sin(x)+cos(x)=-1?
- How do you simplify secant of theta minus cosine of theta?? It's supposed to be tan theta x sin theta, but I have no idea why. Reciprocal identities play a part somehow, but I'm not getting that answer... Thx!
- The general solution of the equation 2sin x+1=0 is?
- Why can the tangent of an angle never be less than 1?
- How do you simplify tanx+cotx/cotx?
- Cot^4 x-csc^2=5. [0,2π) Find X?
- How to find these values?
- What is the amplitude of #y=-5cos (1/2x)#?
- Rewrite #sin^4(x)tan^2(x)# in terms of the first power of cosine?
- Use power reducing.help?
- Sin(x)csc(x)?
- Sin330cos120+cos210sin300=??
- Convert the rectangular equation to a polar equation? 4x+y=5
- How do you solve for x?
- Sec^2 (π/4) ?
- How to find A?
- (1-cosx)(1+secx)cotx=sinx How do you verify that?
- How do you prove 2 sin y cos x = sin (x + y) − sin (x − y) ?
- How do you find the values of the six trigonometric functions of an angle in standard position if a point with #(5, -3)# has on its terminal side?
- If #costheta=5/13 # and #theta# is in the fourth quadrant, what is #sin# and #tan theta#?
- Use a power-reducing identity to rewrite the following expression below in terms containing only first powers of cosine. Help?
- Verify the identity?
- Please help?
- Can anyone help me verify this equation is an identity please? : 2(sinx-sinx³)/cosx=sin2x
- Help please?
- How do you evaluate #\frac { 5\cdot \sin 60^ { \circ } } { 8}#?
- How do you find sinØ if cos2Ø=3/5, and Ø terminates in Quadrant 1?
- (secx-cosx)^2?
- How to sketch this trigonometry graph?
- Help please?
- Find the value of #lamda, #(3-tan^2(π/7))/1-tan^2(π/7)= lamda cos(π/7)#?
- Please help to find #(sin phi)/2 if cos phi =-5/13#?
- Help please?
- Please help?
- Find the value of #lamda, (3-tan^2(π/7)#) /# 1-tan^2#(π/7)# = #lambda cos(π/7)#?
- Find angle y?
- How can this be reduced to the simplest form?
- 4. Equation or Identity? Is the following relationship an equation or an identity? If an equation, solve it. If an identity, prove it. #(secx-tanx)^2 = (1-sinx)/(1+sinx)#
- How can thjs bd reduced to the simplest form?
- How can this be reduced to the simplest form?
- How do you simplify the following expression 1 + cot²θ - cos²θ - cos²θ cot²θ ?
- How can this be reduced to the simplest form?
- How to find the solution of this equation?
- How can this be reduced to the simplest form?
- 1+ sin teta +cos teta over 1 +sin teta - cos teta is equals to 1+ cos teta over sin teta?
- How do you simply (csc x + sec x)(sin x - cos x) ?
- Anticlockwise angle?
- Why is Cos120=-cos60?
- Prove that Cosh(2x)=2cos2x-1?
- How to find the values of A and C?
- The valve cap n a bicycle wheel is 12.5 in from the center of the wheel. From the position shown, the wheel starts to roll. After the wheel has turned 390°, how far above the ground is the valve cap? Assume that the outer radius of the tire is 13.375 in.
- How do you verify csc^2xcot^2x+csc^2x=csc^4x ?
- Sec^2x+tan^2xsec^2x=sec^4x?
- Please help?
- How do you solve csc^2 (2x)=1?
- How do you solve [0,360) 4sec^2x - 4 = 0 ??
- How do you solve [0,360) Cosx - 2sinx cosx = 0 ??
- Help please?
- How do you solve [0,360) 3 Tanx = 3 radical 3 ??
- How to solve -2sinx=-sinxcosx?
- How do you prove tan x csc x cos x = 1?
- How do you prove #cos^2x=(cscx cosx)/(tanx+cotx)# ?
- How do you prove 2 sin x cos x = sin (x + y) − sin (x − y)?
- How do u prove tan (x ) = sec (x )-1?
- Please help?
- 16sin20.sin40.sin60.sin80=3 Prove.?
- How to do this question?
- Help with number 41?
- Cot^(2)x(1+tan^(2)x) What is the answer and the solution for this equation?
- Solve #2(sec^2x+sin^2x)=5#?
- How do you prove [(sinx-cosx)/(secx-cscx)]=[(sin2x)/2]?
- A helicopter is at an altitude of 200 metres. Finds that two boats are sailing towards it in the same direction. The angle of depression of the boats as observed from helicopter are 45° & 60° respectively. Find the distance between two boats?
- How to do this question, showing working out?
- How do yo solve #2Cos^2(x) - 2sen(x) + 12 = 0# ?
- How to prove that cos^2x-sin^2x/sinxcosx=2-sec^2x/tanx?
- If Sin(π/5+x)=cos(π/7+2x), then what is x?
- Use the suggested substitution to write the expression as a trigonometric expression. Simplify your answer as much as possible. Assume #0 <= theta <= 2pi#. ?
- How do you solve #sin(x+37)° = cos(2x+8)°#?
- Prove the statement is true or false?
- Find the value please?
- How do you prove (cosx/1+sinx)=secx-tanx?
- Write expression as an algebraic expression or a trigonometric function?
- Write in sin, cosine, or tangent of an angle?
- Verify the Identity?
- If sec x =2then find sin x, cos x ,tan x, cosec x, sec x,cot x, cot x+cosec x ?
- What is the sign of expression: abs(cos(x))-log2 (3) ??????
- If tan thelta = - 4/3, what would be cos thelta ?
- Prove This? cosx /secx-1-cosx/tan^2x=cot^2x
- Tan (-pi/2)=what?
- Evaluate using Pythagorean identities?
- How do I rewrite the following two trig expressions with exponents no greater than 1? Such as (A) (Sin^3)x (B) (cos^4)x?
- A ship leaves port on a course with a bearing of 20 degrees. After sailing in that direction for 76 kilometers, it changes course to a bearing of 105 degrees and travels for 143 km. If the ship went directly back to Port, what bearing did it take?
- Simplify?
- How do you simplify? sin(-x)* csc(-x)
- Jaziel is painting a wall. He has a ladder that is 12 feet long and places the base of the ladder 4 feet from the wall. To the nearest foot, how high does the ladder reach up the wall?
- Let 0 be an angle in quadrant II such that sin0 =2/3. Find the exact values of sec 0 and cot 0?
- Please help? Solve the equation for exact solutions over the interval ( 0 degrees, 360 degrees)
- Help please?
- How do you solve this? 2tanx = sin2x
- Does the term "sinusoidal" refer to BOTH cos graphs and sine graphs?
- A sound wave is modeled by the curve #y=3sin4x#. What is the period of this curve?
- Can someone help me solve this problem?
- How do you use De Moivre's theorem to express (1 + i)^8?
- How do you multiply #\sin ( - \frac { 50\pi } { 3} ) \cdot \cos \frac { 53\pi } { 6}#?
- How to prove?
- How to prove using trigonometric identities?
- Help with precalculus/ trig homework?!
- Help with precalc / trig homework?!
- How to simplify csc theta multiplied by sin^2 theta multiplied by cot theta plus cos theta?
- Prove that ?
- Please help? Solve the equation fro exact solutions over the interval (0degrees, 360 degrees)
- How can this be simplified to the most basic form?
- How can this be reduced to the simplest form?
- Please help?
- Help please?
- How can this be simplified to the most basic form?
- Cot(-x)sec x is simplified to?
- What is the hypotenuse of a triangle with legs 25 and 43?
- 5sinx=5sqrt(3)cosx 0<x<2pi What are all possible solutions in radians?
- Find the value of theta, if, Cos (theta) / 1 - sin (theta) + cos (theta) / 1 + sin (theta) = 4 ?
- How do i solve for the value of x? sec^2(2x)-4=0
- Prove that (cosA/1+sinA)+(1+sinA/cosA)=2secA?
- How can this be solved?
- Tan(x/2)cos^2(x)-tan(x/2) = sin(x)/sec(x)-sin(x) Verify?
- How do you prove sin(x+(π/2))=cosx?
- Solving a realistic word problem using trig identities? See details.
- Prove the identity? (cos(x) - sin(x)) ^2=1-2sin(x)cos(x
- The value of 'x' is=?
- How can you solve #csc^4 x − co^t4 x = csc^2 x + cot^2 x# ?
- What is #cosx#?
- If #sin(2x) + sinx + cosx = 1#, then how do you show that #sinx +cosx = 1#?
- Question #c2a16
- How do you prove cos4x = 8cos^4x - 8cos^2x + 1?
- How do you prove #(4sintheta-costheta)(1-2sin^2 theta) = sin(4theta)#?
- Question #d14f6
- What is #cos^-1(1/2)#?
- Advance math how do i solve this problem, I'm really confused?
- How can this be simplified to the most basic form? Please include a step-by-step explanation.
- Help please? #costheta -tanthetacostheta =0#
- How can this be simplified to the most basic form? Please include a step-by-step explanation.
- How can this be solved?
- Math: trig problem involving identities?
- How do i solve this in terms of [0,2pi]? cotx-sqrt3=0
- Please help? trigonometry
- Question #02789
- How do i solve secxcscx=2cscx? in terms of [0,2pi)
- What is the exact value of #\sin ( \cos ^ { - 1} ( \frac { 3} { 4} ) - \tan ^ { - 1} ( \frac { 1} { 3} ) )#?
- What is the max value of 2sinx+4cosx+3?
- Cos (pi + x) + cos (pi-x) ?
- #(1-sin2A)(1+tan2A)=1# prove it!!??
- Sinx/(Sinx-Cosx) ?
- If tan theta +cot theta = 2 where 0 degree < theta <90 degree, then find value of sin^15theta + cos^45theta?
- If cos(θ)=3/5, what is the value of sin(θ)?
- Prove that sec*2 theeta + cosec*2 theeta =sec*2 theeta x cosec*2 theeta?
- How to simplify 2 sin x csc 2x?
- How to prove #(sin(theta))/(1+sin(theta))=1-[(1-sin(theta))/(cos^2(theta))]?#
- How do I make an equation for a cosine function with an amplitude of 0.5 and a period of 0.2pie?
- How to find the trigonometric form of the number -6+i ? Thank you.
- Find the exact value of cos(alpha minus beta) if sin alpha equals 0.1102 and cos beta equals 0.4111, and both alpha and beta are first-quadrant angles?
- 5 sin^2 θ = 4 What is theta?
- Show that # tan(52.5°) = sqrt6 − sqrt3 − sqrt2 + 2# ?
- Sinx°= sin a° find tha value of a?
- Question #86d31
- How do you write in terms of theta tan(theta-pi/6)? Thanks.
- Verify secx•cscx+cotx=tanx+2cosx•cscx ?
- How does changing the function from f(x) = −4 cos 3x to g(x) = −4 cos 3x − 6 affect the range of the function?
- Question #88a7e
- 5sinx=sin(2x) How do u solve?
- Why is tan (pi/3) - sqrt (3) ? Without a calculator.
- How do you prove #(cosA+cosB)^2+(sinA+sinB)^2=4*cos^2((A-B)/2)#? 2) ?
- Question #0b89b
- How do you prove: 2 tan 2 x = (sin x + cos x )/ (cos x − sin x) − (cos x − sin x)/ (cos x + sin x) ?
- Find cot θ if sec θ = 2?
- How do we solve ?
- Please help? Solve #5sin^2theta -18sintheta -8 =0# for #0°<=theta <=360°#
- How do I solve this? 5 tan 3x-5=0
- Determine all values of θ between 0 and 4π for which sin θ =√3 over 2 ?
- Trig help please?
- How do you prove 8sin^2xcos^3x = cosx - cosxcos(4x)?
- How do you solve for 0 ≤ x < 2π using the equation 4sin ² x - 1 = 0 ?
- Tan(1/2 arcsin x) What is the type of X?
- Cos20cos30 + sin20sin30 ?
- What is cos (π + ø) equivalent to?
- If #tan(pi/2sintheta) = cot(pi/2costheta)# then sum of all possible values of #sintheta + costheta# equal to?
- cosec(2x-15°)=1.677?
- Question #1f2b5
- If sin^A+cos^2A=1 then A=?
- Proof ? [1 + tan2θtan3θ]/[1 + tanθtan3θ]=cos^2θ/cos^2θ
- How do you show that sin(x+60) + sin(x+120) =(√3)cosx ?
- Sin(2x+30°)=sin(x+80°)?
- Please help?
- How would you use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine? sin^6(x)
- How would you use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine? cos^4(x)sin^4(x)
- How can this be solved?
- How can this be solved?
- How do you verify? 1-cos(x)/sin(x)+sin(x)/1+cos(x)=2cscx
- Question #aa712
- B=20° C=75° b=5 solve the triangle?
- 1-csc^(2)x=-3 solve?
- Prove that sinx/1+sinx=1-((1-sinx)/(cosx^2))? I need help even starting this, and I need an answer soon
- Determine the exact values of the six trigonometric functions of the angle A in a right triangle with a = 2 and c = 11?
- Find the Sin?
- What are the exact values of the six trigonometric functions of the angle A in a right triangle with a = 2 and c = 11?
- There are 3 boats, P, Q and R. Boat Q is 7km from boat P on a bearing of 327. boat R is 15km from boat P on a bearing of 041. Find the distance between boats Q and R to 1dp?
- Is sin2A same as 2sinA ? Can you explain by solving this? 1+ sin2A/cos2A
- What is #arccos(cos(4))# ?
- The value of #sin(x)tan(x)# is equal to what?
- Verify that the x values are solutions of the equation. How do I do this? 2 cos^2x+3cosx+1=0 x=4pi/3 x=pi
- #tan^-1 ((x+1)/(x-1)) +tan^-1((x-1)/x)= -tan^-1 7# Find #x#?
- 2sin^(2)x-sinx=1 Find the general form and all solutions in the interval [0,2pi) ?
- If SinX° = sinα then α is?
- If 2sin theta +3cos theta=2 prove that 3sin theta - 2 cos theta =±3?
- How to use DeMoivre's Theorem to find the indicated power of (sqrt 3 - i)^6 ?
- Find the exact value of cos 210 using the half angle formula?
- How to find sin x and tan x?
- Question #091ea
- Question #55c1b
- Find all solutions in terms of an integer k. Then find the particular solution corresponding to the five value of k? 2sin^2(feta)-1=0 when k=1
- How do you prove tan²(1+cot²)=1/1-sin²?
- Question #27b54
- Question #75e19
- Two buildings are 80 feet apart. From the roof of the taller building, which is 300 feet high, the angle of depression to the edge of the shorter building is 30◦ What is the height of the shorter building?
- Question #8943d
- Find the area of triangle ABC and round to the nearest tenth:b=16, c=8, angle B= 100 ?
- Prove the identity. Help? (1-cos^2x)(1-csc^2x)=-cos^2x
- Question #3ec6c
- Question #47674
- How do I use a half-angle identity to find the exact value of cos 165º ??
- Please help to simplify as much as possible? #(1-cosx)/sinx +sinx/(1-cosx)#
- Can someone help me solve this problem with law of sines?
- #3tan^-1(x)+ cot^-1(x)=pi#. Solve for x?
- How do you solve for 0º ≤ x < 360º using the equation -3 - 1/3 tan x = -10/3 ?
- Find all the values of theta on the interval [0,2pi) that satisfy the equation: sin(theta) = -1/2 ?
- How do you solve for exact value for 0º ≤ x < 360º with the equation #2+sin x = 4-sqrt3/2# ?
- If sec ø = 5/4 and 0º<ø<90º how do you find sec 2ø ?
- How do you find the exact Trigonometric value in simplest form given secA = -5/4 and 180º < A < 270º, Find sin 2A ?
- 1-cos theta = sin^2 theta / 1+cos theta?
- Please help to simplify as far as possible? #(cosA)/(1-sinA) -tan A#
- Determine the exact values of the trigonometric functions of the acute angle A, given tan A =3/7 ?
- If the angle of elevation of the sun is 62◦ how tall is a tree casting a 50 foot shadow?
- Help please to simplify as far as possible? #sin^2t +cos^2t+tan^2t#
- Help please to simplify as far as possible? #(1-cos^2x)(1+cot^2x)#
- Please help?
- Please help?
- Help please?
- Help please?
- Question #2c4b0
- How do you solve cos(2x)cos(x)+sin(2x)sin(x)=1 for all solutions?
- Sec theta = 2 to rectangular coordinates??
- Suppose A is the arc on the unit circle that connects #(1,0)# to #(-12/13, 5/13)# and passes through #(0,-1)#. Let #u# be the measure of the angle that subtends this arc. Find the value of #sin(u)#?
- Question #63fca
- Tanx + cotx= 2 show that tan^2x + cot^2x=2?
- How to sketch this sin graph?
- What is the value of #sin# in terms of #cos#, and of #cos# in terms of #sin#?
- What is the period of #y=sin6theta#?
- If you sketch a unit circle with angle θ in standard position...?
- Question #7db36
- What is the solution for 2-cos^2(35)-cos^2(55)=? with trigonometry
- How to write sin (x+y) - sin (x-y) as a product?
- The number of real solutions #cos(e^x)=2^x + 2^-x# is ?
- How do i solve this?
- How do I solve the following problem?
- Prove: 1/cot^2θ - 1/csc^2θ = sin^4θ/cos^2θ ??
- Verify The Identity?
- Identity Verification?
- #3sin^2x# = 2𝑠𝑖𝑛𝑥𝑐𝑜𝑠𝑥 is this a provable? if not, solve the equation for -180 < 𝑥 < 180?
- How can this be solved?
- Find Ø if cos Ø=sin 37?
- How can I solve this?
- How do I find the value of x given sinx = 1 + cos²x?
- How can I solve this?
- Simplify the following to a single fraction in sin x and cos x? 2secx - tanx=?
- How to verify the identity: (1-2cos^2(x))/(sin(x)cos(x))?
- Prove that ?
- What is the answer for sin theta cos theta?
- Question #a2421
- Question #e4fbd
- Find sin(2x), cos(2x), and tan(2x) from the given information? csc(x) = 8, tan(x) < 0
- (sin 3x + sin x) / (cos 3x + cos x) = sqrt 3, sin x = ?
- How do you simplify cosh(ln x^2)?
- 3𝑠𝑖𝑛2𝑥 = 2𝑠𝑖𝑛𝑥𝑐𝑜𝑠𝑥 is this a provable? if not, solve the equation for -180 < 𝑥 < 180?
- What is #\sin (\frac{5}{6}\pi )#?
- Prove that cot x + sin x / (1 + cos x) = cosec x ?
- Question #f7d1d
- Question #7cb3d
- Question #f85e4
- A spotlight on the ground 3 feet away from a 5 feet tall man cast a 15 feet shadow on a wall 6 feet away from the man. Find the angle in which light is placed?
- Question #54573
- Prove that (tanA/(1-cotA))+(cotA/(1-tanA))=secA.cosecA+1?
- What is the exact value of Cos(240°-0°)?
- For the equation #sin(3θ) + cos(3θ) = 1 - sin(2θ)# then?
- (1+tanA*tanB)^2 +(tanA-tanB)^2=sec^2A*sec^2B ?
- Prove that sinx-sin3x/sin^2x-cos^2x=2sinx ?
- What are the period and phase shift for #f(x)=-4tan(x-pi)#?
- If 4sin^2x=1,find the value of 2+3cos^2x/1-2sin^2x?
- How do you prove this identity? sec(x) − sin(x)tan(x)= cos(x)
- If 4 sin theta = 3 cos theta then find 4 cos^2 theta - 3 sin^2 theta +2?
- (Tan(x)-sin(x))/(tan(x)) = sin^2(x) Verifying .. how to you get to the answer?
- If sinA =3/5,then what is the value of cot²A+sec²A ?
- How can this be solved?
- How can this be solved?
- How can this be solved?
- How can this be sovled?
- Does #cos(arccos(x))=x#?
- Solve for x in sec^2(x)+5(1-tanx)=0 for 0<=x<=360?
- How do you solve #\sin ( x + 4) = \cos ( 2x - 1)#?
- How to solve the Trigonometric Equation of? (2sin(x) - 1)(tan(x) - 1) = 0 for 0 ≤ x ≤ 2 pi
- How do I solve for 0º ≤ x < 360º using the equation cos (x+45º) + cos (x-45º) = √2 ?
- If the bearing from #A# to #B# is #042°#, what is the bearing of #B# from #A#?
- The diagram shows four straight lines AD, BC, AC, and BD. lines AC BD intersect at O such that angle AOB is #pi/6radians#. AB is an arc of the circle, centre O and radius 10cm, and CD is an arc of the circle, centre O and radius 20cm?
- If 4sinAcosA=1-2sinA+2cosA find the value of A ?
- Question #7bd2c
- Question #73b3b
- Sin^26x-sin^24x=sin2x.sin10x?
- Question #d8d5e
- #sin^2thetacosthetacsc^3thetasectheta#, what is the solution?
- If sin a=√3/2 find 2cot^2A-1?
- (Cos70 Cos40)+(Sin70 Sin40)=??
- Determine the length AB in the figure below without using Cosine and Sine formulas?
- Help in trignometry! (?)
- Question #b4d99
- How do you verify #cot^2x*cos^2x = cot^2x-cos^2x#?
- Question #8446f
- Using the original experiment by the Greek scientist Eratosthenes. Write about how you could determine the circumference of the earth using only 2 points on the surface and any day of the year?
- Can equation sin(x - 60) - cos(30 - x)=1 be written in the form cos x= k where k is a constant?
- Given that ∝ is acute and tan ∝=3/4, can you prove that 3 sin(θ + ∝) +4 cos(θ + ∝) =5 cosθ ?
- How do you evaluate the sine, cosine, tangent, cosecant, secant, and cotangent of t=7pi/4?
- What is period of: sin x/2 + cot x/2?
- How do you Rewrite 2sin(x)−2cos(x) as Asin(x+ϕ)? x=? ϕ=?
- (CotA-cosecA)^2= 1-cosA/1+cosA ?
- Question #9a866
- Question #ce381
- What is the value of side c?
- Question #3c386
- If #tan(A/2)=sqrt((1-x)/(1+x))*tan((theta)/2)# then show that #costheta=(cosA-x)/(1-x*cosA)#?
- What is evaluate sin (-t) and csc(-t) if sin(t)=-2/5?
- How do you verify Cosxtanx/secx = sinxcosx ? Or just any helpful tips on how to prove/verify trig identities would be amazing! Thanks so much!
- Sin2x-tanx=? Complete the identity?
- F(x) is given by. (1-cos2x/2x^2) when x is not equal to 0. And (K) when x=0 . What will be the value of k?
- Question #8dae1
- If sin 3x = cos x, where x is between 0 to 90degree inclusive, what is the value of x?
- How do you solve for all real values of x with the following equation 2 sin x + csc x = 3 ??
- If #sinA+sinB=x# and #cosA+cosB=y# then show that #tan((A-B)/2)=+-sqrt((4-x^2-y^2)/(x^2+y^2))#?
- how to prove (sin θ+1-cos θ )/(cos θ-1+sin θ) = (1+sin θ)/(cos θ) ?
- Question #da883
- Question #7c5e8
- Show that #(sin2x-sinx)/(cos2x-cosx+1)=tanx#?
- What’s Sin A cos A and tan A for a triangle with the opposite of 15 and a hypotenuse of 39?
- Question #f0862
- Prove that :Cos theta /1-sin theta = sec theta +tan theta ?
- At the foot of a mountain the angles of elevation of its summit is 45 degree, after ascending 1 km forwards at an inclination of 30 degree, the elevation changes to 60 degree ,what is the height of the mountain?
- Question #a26e1
- How do you solve for all real values of x with the following equation #sec^2 x + 2 sec x = 0#?
- Let f(x)=−5.9sin(x)+1.6cos(x). What is the maximum and minimum value of this function?
- How do you solve Cos (a+B) = 1-tanA tanB/ secA secB ?
- How to find value of cos(-pi/2)?
- #(csc x+cot x)/(csc x-cot x)=#?
- Solve for all real values of x using the equation cos^2 x - sin^2 x = √3/2 ?
- I don't understand how do I solve for all real values of x with the following equation 2 tan² x - 3 sec x = 0 ? Thanks.
- How to proof that cotan x - cos x/cos x = cos ^2x/1+sin x ?
- How to prove #cos(theta-pi/2)=sin(theta)# is false?
- Prove that: cos120 cos240 - sin240 sin120 = 1 ?
- Question #2ba1b
- Verify sec^2x-tan^2x=tanxcotx by changing only one side?
- How do you Identify the point (x,y) on the unit circle that corresponds to t=-3.14/2?
- How do you identify the point (x,y) on the unit circle that corresponds to t=-11pi/4?
- How do you factor #a^4-(b+c)^4# ?
- How do I solve for 0º ≤ x < 360º using the equation cos x tan x = 1/2 ?
- How do you Solve 6sin(x)+5cos(x)=4? What are the first 2 positive solutions?
- Verify sec^2x-tan^2x=(tanx)(cotx)?
- How do you solve: (1+cot^2(x))(sin2x)=2 ?
- How do I find values of Θ between 0 and 2π that satisfy -1 - 3 sin Θ = cos 2Θ ??
- How to prove?
- ((cosec^2A)/(cosecA-1))-((cosec^2A)/(cosecA+1))=2 sec^2A?
- Carefully explain, in a few sentences, why the equation square root of x=1+sinx ?
- How can this be solved?
- Please prove that cos(A+B)cos(A-B)=cos^2A + cos^2B-1 ?
- Solve my question y=cosx & y=sinx are the solution of equation of y^b+y=0?????
- Given cos A= 2/5 for those value for A below, what is sin (A/2)?
- If #tantheta+sectheta=((x-2)/(x+2))# find value of #costheta#?
- How do you solve #cos(x)(cos(x) -1)=0#?
- Question #60097
- How do you solve the equation 0º ≤ x < 360º 2 cos² x + 3 cos x - 2 = 0 ?
- Solve the equation sin(x+pi/6)=2cosx in the range of 0<x<2pi?
- Prove that 2(sin^6a+cos^6a)-3(sin ^4+cos^4a)+1=?
- Given that y<4, find the largest value of y such that #5tan(2y+1)=16#?
- Question #bf3a5
- I need help on this question as I've been stuck on it for quite a while.! also the range is in radians from 0 TO PI. solve for x? thank you!!
- Evaluate sin 20 ?
- You have been riding the London Eye Ferris wheel for 17 minutes and 30 seconds. What is your height above the ground?
- If #sin(picosa)=cos(pisina)# then #a=#?
- Sin A /1+cos A = cosec A - cot A ?
- How do I solve for 0º ≤ x < 360º using this equation 2 cos² x + 3 cos x -2 = 0 ?
- If sin2a=-3/4 then a=?
- How do I solve for all real values of x in this equation 2 cos² x = 3 sin x ?
- How to find the values of tan, cos and sins in the quickest way?
- How do you simplify?
- Question #6c606
- How do I solve for 0 ≤ x < 2π using the equation cot² x - csc x =1 ??
- If sec^2(θ) = 5/3 find the values of cos^2(θ) tan^2(θ) + sin^2 (θ) tan^2 (θ) ?
- How do I solve for the equation 0 ≤ x < 2π √2 tan x = 2 sin x ?
- Cosx-sinx/cosx+sinx simplify?
- What is an angle between 0 and 2pi that is coterminal with -9pi/4?
- Use the suggested substitution to write the expression as a trigonometric expression. Please help.?
- What is the amplitude of f(x)=cos x?
- Use the suggested substitution to write the expression as a trigonometric expression. Simplify your answer as much as possible. Assume 0 ≤ θ ≤ π2. ?
- Use trigonometric identities to simplify the expression. ?
- Two towers of height 15m and 25m respectively stand on level ground. The angle of elevation of their tops from a point between the two towers on the line joining their feet are respectively 45° and 600 Find the distance between the two towers?
- #sec(-x)cos(x)# ?
- How do I solve for the value of x in degrees given #cos^2(x) - sin^2(x) =sqrt3/2#?
- How do I solve for the value of x in degrees given (2sinx - 1)(2cos²x - 1) = 0?
- How do you factor this equation in the interval [0,360)? cos^2(x)sin(x) = sin(x)
- How do I solve for the value of x in degrees given tan2x - √3 = 0?
- What are the functions #f_1, f_2#? The values of double signs are defined by the function #S(k)#.
- True or False? sin(5x) - sin(3x) = 2cos(4x)sin(x)
- Sin(2x+pi/6)=1/2? Solve using multiple angles?
- How do I solve for 0° ≤ x ≤ 360° given sin 2x = - sin x?
- How do you solve #sin2x =- cos2x#, for #0° <= x <= 180°#?
- Sin(A+B)=?.
- Question #1832b
- Find the exact value of the expression.?
- Show that cos²π/10+cos²4π/10+cos² 6π/10+cos²9π/10=2. I am a bit confused if I make Cos²4π/10=cos²(π-6π/10) & cos²9π/10=cos²(π-π/10), it will turn negative as cos(180°-theta)=-costheta in the second quadrant. How do I go about proving the question?
- How to verify ((csc^(3)x-cscxcot^(2)x))/(cscx) =1 ?
- How to prove #(1+sinx-cosx)/(1+cosx+sinx)=tan(x/2)#?
- Question #ff267
- Can somebody help me solve this please? Thanks in advance!
- Prove that sin theta/1-cos theta +tan theta /1+cos theta=sec theta*cosec theta +cot theta?
- Evaluate Without using trigonometric tables 3cos 55°/7sin35°- 4(cos70°*cosec 20°)/7(tan5°*tan25°*tan45°*tan65°*tan85°)?
- A bicycle wheel with a diameter of 730 millimeters has 25 spokes evenly distributed around the rim of the wheel. What is the length of the segment of wheel rim subtended by adjacent pairs of spokes?
- If # tan (beta/2)=4tan (alpha/2)#,prove that #tan ((beta-alpha)/2)=(3sin alpha)/(5-3cos alpha)#?
- If we start at the point (3, 0) on the circle with equation #x^2 +#y^2 = 9#, and travel along the circle a distance 3π/2 in the negative (in other words clockwise) direction, then what will be the coordinates of the point where we stop?
- If sin s =2/3 and cos s = √5 over 3 what are the values of the remaining four trigonometric functions of s?
- In what quadrant does the terminal side of an angle of 11 radians lie? In what quadrant does the terminal side of an angle of 11◦ lie?
- Prove the following identity. ?
- Prove the following identity. ?
- How do I solve for the value of x in degrees if √2sinx-1=0?
- How do I solve for x in degrees given cos² x = cos x?
- How do I solve for x in degrees given sin 2x - 1 = 0?
- Prove that...?
- Prove that #cot (A/2)- 3cot ((3A)/2) = (4sinA)/(1+2cosA)#?
- How do you solve 3sec^(2)x-2tan^(2)x-4=0?
- What is the maximum and minimum of y=1-3sin(2x)?
- Sin A = tanA\√1 + tan^2A?
- How to simplify sinΘ cscΘ?
- An observer (O) spots a bird flying at a 35 degrees angle from a line drawn horizontal to its nest. If the distance from the observer (O) to the bird (B) is 21,000 ft., how far is the bird (B) from its nest (N)?
- Prove the following identity. ?
- How do I solve...? sinx=√3-sinx
- Question #5f544
- Verify the identity? cot(x) sec(x) / csc(x) = 1
- Can someone tell me how to prove that, sin 78° + cos 132° = (√5 - 1)/4, in the easiest method?
- If the point (x,#sqrt((3)/2) is on the unit circle, what is x?
- How do you verify? Tan x + cos x = sin x (sec x + cotan x)
- Let z=3(cos(15°)+isin(15°)), W= 5(cos(54°+isin(54°)). Then zw can be expressed as r(cosα°+isinβ°),where r is a real number,0≤α≤90 and 0≤β≤90.what is r+α+β?
- What's the easiest and shortest way to simplify (1-cos theta+sin theta)/(1+cos theta+sin theta), so that the answer is tan (theta/2)?
- Solve the equation please help?
- Solve the equation please?
- Sketch the graph of #y= sin theta # for #-pi <= theta <=pi#?
- Question #ceab4
- What is the range of arctan(2x/3)?
- Find approximate value #tan(44^circ)#?
- Prove that: #(sec8theta-1)/(sec4theta-1)=(tan8theta)/(tan2theta)#?
- How do I find the exact trigonometric value of tan θ = √3/4, 0 < θ < π/2; cot θ ?
- Question #c8582
- Cos2 A/1-tanA + sin3A/sinA-cosA = 1+ sinAcosA Please answer this?
- Question #89af9
- Question #9a6e1
- Prove the following identity. ?
- In a triangle ABC, AD is drawn perpendicular to BC. How do I Prove that AB^2 - BD^2 = AC^2 - CD^2?
- Prove the following identity.? tanh^2(x)=1-sech^2(x)
- Simplify the expression 1 + cot²θ - cos²θ - cos²θ cot²θ ??
- How to find value of sin 37° and 24°?
- How to solve this equation: secx - cosx = sinx? Thank you!
- How do you solve these? please help. I need to find the period and I am so lost! Y= cot2 (x) Thank you!
- Find the midline of the function...?
- Question #9cb55
- How to sketch this trigonometry graph?
- How to sketch these graphs?
- Simplify cos x tan x + sin x cot x = ?
- How do you find the exact Trigonometric value of sec θ = -7/5, 180º < θ < 270º; sin θ ?
- Solve. A 10 meter ladder is leaning against a building. The bottom of the ladder is 5 meters from the building. How many meters high is the top of the ladder?
- If tan theta = 2, what is cot theta?
- If cot x = -0.45, find tan ?
- How do you find the value?
- How do you convert #y=2^x# to polar form?
- How do you solve the equation on the interval?
- How do you solve the equation on the interval?
- Question #41a82
- Question #6e0d6
- Tan20+tan40+tan60+..... Tan100=?
- Question #1071f
- 9cos^2x+5sinx=3sin^2x solve for x?
- Question #6a568
- Cosx=0,x=?
- Question #df4b5
- Question #dfc20
- Question #14f11
- How do you simplify (cos(x))/(sec(x)+tan(x))?
- Question #b2073
- How do you simplify (cos(x))/(sec(x)+tan(x))?
- How do you rewrite the expression as a simplified expression containing one term?
- How do you determine the values of the given function?
- How do you simplify the given expression?
- How do you simplify the following expression?
- What is the Trigonometric value for sin θ = -1/3, 180º < θ < 270º ; tan θ?
- Find the Trigonometric value of cot θ = -4/3,270º < θ < 360º; sin θ ?
- How do I solve this?
- Find exact trigonometric ratios for the angle x whose radian measure is is 35pi/4 ?
- How do you use the double angle formula to find the exact value of the given expression?
- Determine sin θ = 1/4, 0 < θ <π/2; cosθ?
- Simplify (sin x + cost)² + (sin x- cos x)²?
- Sin^2 θ + 8 sin θ cos θ = cos^2 θ What is theta?
- Your team is located at a point 58 feet east of the building. The team leader gets the best signal if he travels 34 feet from camp at a 102 degree angle. How far will your team leader be from the building when he is done travelling?
- How do you find the numerical value of one trigonometric function of x if cot x/csc x = 0.6?
- How do you simplify tan(-35 deg) using trigonometric identities?
- How do you simplify (cot(x))/(sin(x)-csc(x))?
- Solve the equation over the interval [0, 2π)?
- Verify these identities? sin^2x-tan^2x = -sin^2xtan^2x 1/(secx-tanx) = tanx+secx
- How do you prove?: #sin x("csc" x - "sin" x)= cos^2 x#
- How do you prove? Csc^2 X - 1/ 1 + csc^2 x= cot^2 x
- How do you find sin2 theta? Where theta is in the fourth quadrant.
- If #sin^( 2)( \theta )+ 3cos^( 2)( \theta )= 4# then show that #tan(\theta )= \pm ( 1)/( sqrt ( 3) )# ?
- How do you simply sec(-x)?
- Question #72b1b
- How do you evaluate sin 360°?
- How the expression of asin (x)+bcos (x) can be written as a single trigonometric ratio?
- If tan theta is 3/4 then find the value of Cot theta?
- How would a x=o line look like on a grid?
- Question #a2557
- What is the value of sin 330° ?
- Find the value of sin (300°) ?
- How to solve tanx + cotx = 4cos2x? Thank you
- How to solve 3sinx + 3cosx = secx + cosecx for x? Thank you!
- Tan theta + cot theta =7 find the value of tan square theta + cot square theta?
- #sin^2(45^@)+ sin^2(30^@)+ sin^2(60^@)+ sin^2(90^@)= ( - 5)/( 4)#?
- Is this an identity, if so how can it be broken down? #[1 + sin(y)] [ 1 + sin(-y)] = cos^2(y)#
- Can I get a detailed explanation as of how this is solved, not just the math work?
- Sin(3a)/sin(a)-cos(3a)/cos(a)=?
- Cot theta - tan theta/ cot theta + tan theta?
- How do you convert #x^2-y^2+25# into polar form?
- If secA-tanA=a,show that ; secA=1/2[a+1/a]& tanA=1/2[1/a-a]?
- Given that #4<=y<=6#, find the value of y for which #2cos((2y)/3)+sqrt3=0#?
- If #cot theta = -9/2# with #theta# in quadrant 2, find #sin theta? #
- #( 1+ cot(\theta )- csc(\theta ) )( 1- tan(\theta )+ sec(\theta ) )= 2# ?
- #sin(60+x)-sin(60-x)=1# the interval #0<x<2pi# how do you solve?
- If cos theta= -4/9 with theta in quadrant 2, find sin theta?
- How do you express #f(theta)=-2sin^2(theta)-9sec^2(theta)-tan^4theta# in terms of non-exponential trigonometric functions?
- Prove that?
- A cos a= -5/13?
- How do I find the inclination θ (in radians AND degrees) of the lines passing through the points? (-√3, -1), (0, -2)
- ( sec(\theta )+ cos(\theta ) )( sec(\theta )- cos(\theta ) )= tan(^ ( 2) \theta )+ sin(^ ( 2) \theta) ?
- How can I solve this?
- Question #058c3
- Question #efb86
- Question #a6825
- Cos(^ ( 2) \theta )+ sin(^ ( 2) \theta )= sec(\theta cos(\theta)) ?
- Question #c5d30
- Use the vectors u = <2, 2>, v = <-3, 4> and w = <1, -2> to find the indicated quantity? a. 3u ∙ v b. (u ∙ 2v)w
- Question #116d6
- A ship’s guidance system measures that the ship is 380 m from the top of a lighthouse. The top of the lighthouse is 88 m above sea level. How far is the ship from the lighthouse to the nearest tenth of a meter?
- How do I solve 1=2cos(3X-5pi) for (0,2pi)?
- How to solve #cosx-2sinx=1# for #0<=x<=2pi#?
- Hi! If x ∈ (0, pi/2) and cosx=2/3, then (sinx+tgx)/(cosx+ctgx)= ?
- How can this be solved?
- How can this be solved?
- Find the slope of the line passing through the origin at an angle 5π/8. What angle is this in degrees?
- How can this be solved?
- Question #99aee
- 1+cosx/sinx = cscx + cotx ?
- Given that (sin α =24/25), with α in QI, and sin(α + β) = 12/13, with α + β in QII, find sin β and cos β. ?
- Help w/ Trig Questions? #2
- Question #ad560
- Question #f7af3
- Question #352ac
- What is Cos²A - Cos²B = ?
- Question #e0dab
- Question #a5333
- Question #74a18
- Question #a4f9d
- Question #5ff33
- Let #theta# be an angle where: #"1)" theta in "Quadrant III"# and #"2)" sin( theta ) = - 15/17#. What Quadrant does #12theta# belong to ? No Calculators !!
- #( 1+ cot(\theta )- csc(\theta ) )( 1+tan(\theta )+ sec(\theta ) )= 2 #?
- How do I solve the following math equation?
- Question #b1a21
- Without using a calculator evaluate #sin45^o/(cos30^o +sin60^o#?
- How do I solve this? Please give me a simple explanation thank you!
- Question #c9e21
- Question #d4a6e
- Question #82960
- Trigonometry bearings confuses me. I only solved right and obtuse triangles using pythagorean, sines and cosines laws?
- Question #a0a0d
- Question #e46b5
- Question #8a799
- Question #0a89d
- Question #ef674
- Question #daae8
- Question #ef0d7
- Question #96e6c
- Use the equation of the circle ?...
- Sec #theta# -1#-:#sec #theta# =?
- Log(tanπ/4+ix/2)=?
- Question #d5424
- Can anyone explain law of sines and law of cosines?
- How do I solve secx - 2tanx = 0 over the interval (0,2pi]?
- Question #fd2da
- Question #eb935
- Question #b594a
- Question #1ff8a
- Question #ba6de
- How do I simplify the trigonometric function? sin4(α) − cos4(α) + cos2(α)
- How do we convert complex number #2sqrt2(cos45^@+isin45^@)# in trigonometric form, to #a+bi# form?
- Question #2533c
- Question #4a238
- Question #c3e29
- Find the exact value of #tan(\theta)# if #csc(\theta)=-4/3# and the terminal side of the #\theta# lies in the third quadrant?
- Question #265f1
- Question #14cad
- How do i solve 1=2cos(3x-5pi) for [0,2)?
- Find all the solutions to the equation in the interval 0,2pi? Sin(x+pi/2)-cos^2x=0
- Hello..How do you calculate without the calculator: sin (99 999 999 990°)?????????
- Question #88b3e
- Help please?
- Find the function values of cos θ, tan θ, sec θ, csc θ and cot θ ?
- Question #d319d
- Please help?
- Find an expression for sin θ ?
- Question #7b335
- Question #48b47
- Question #7267c
- Question #3d575
- Help please?
- What is (1-cotx)(1+cotx)-csc^2x?
- Question #37c8a
- Question #2af88
- Question #7ec3c
- Please help?
- Question #d4ee8
- Question #1e265
- Question #2d3ed
- How do you find the exact value of #sec(pi/12)#?
- Question #ba28d
- How to solve 3cosx+3=sin^2x over the interval (0,2pi]?
- How do you simplify #cot^3x + cot^2x + cotx + 1# ?
- Sin^2theta (1-csc^2theta)?
- Question #18dcb
- Question #b4f35
- Question #f207b
- Question #0899d
- How do i write this in polar form? (cos(-2π/9)+isin(-2π/9))^3
- A ship leaves port at a bearing of 135 degrees, and travels a distance of 7 miles. What are the coordinates of the ship's position?
- Question #22cd1
- Question #e8773
- Question #82330
- Question #c0a58
- Question #978fc
- Question #bfc9a
- Question #b30b0
- Question #500fd
- Question #6b956
- Prove that sec(2theta)=sec^2(theta) divided by (2-sec^2(theta))?
- Question #72621
- Question #89e00
- Question #23771
- #a+b+c=180^@#, #cos(b+c-a)+cos(c+a-b)+cos(a+b-c) =1+4cos(a)cos(b)cos(c)#?? As plz
- Prove that CotA/2-3cot3A/2=4sinA/1+2cosA?
- Question #fb189
- What is #sin(120^circ)#?
- If #sec(theta+alpha)+sec(theta-alpha)=2sec(theta)#,prove that #cos(theta)=sqrt2 cos(alpha/2)#?
- Question #27b72
- Simplify (1- cos theta +sin theta)/(1+ cos theta + sin theta)?
- Solve #cos^3x=cosx#?
- How to determine the Cartesian equation using parametric equations?
- Question #381c9
- Solve the equation in the interval [0,360) for: ?
- How do you find the solutions of this? #3cosxsinx-sin^2x=1#
- (cot x + tan x) ^2 equals?
- Question #6987d
- The terminal side of #theta# lies on the line: #y = -x# in quadrant II. What are the values of the six trigonometric functions of #\theta#?
- What is the domain of #f(x) = sqrt(cosx)#?
- How do I solve this Trigonometric equation ?( please show steps): 1-sinθ = (sinθ ) (cscθ -1)
- Question #616b5
- Given that: sin α = 15/17, with α in QI, and sin(α + β) = 12/13, with α + β in QII, find sin β and cos β?
- How do I find all solutions for? 5 sqr 3 tan+3 = 8 sqr 3 tanx
- Consider the triangle ABC given below; use trig ratios to answer this question. what is the length of the shorter leg of triangle ABC? what is the length of the hypotenuse of triangle ABC?
- Best way to solve: cos 2 theta + 3 sin theta = 2 ?
- How to show that? A(x)=4cosx.cos2x.sin4x
- Question #50f3b
- Find the complex number w=(-√2 -i√2)^0.5 in exponential form and remain the π in your answers.?
- I need help; how do I solve this question?
- Question #fd5c5
- How do I solve this questions?
- Please help prove this trigonometric identity?!!! #(sinA-cosA)/(cosecA-sinA)=tan^2A-tanA#
- Solve the equation in x for exact solutions over the interval [0, 2pi) for sin . x/2=sqrt2-sinx/2 ?
- How do you solve #\tan ^ { 2} x - 4\tan x + 1= 0#?
- How do I solve this problem?
- How do I solve the following equation? The answers that I came up with are wrong
- Solve the equation for exact solutions over the interval [0,360) for 9sin^2x-6sinx=1 ?
- Question #b839a
- Question #9037d
- If #sinA - cosA = 1#, then what is the value of #cosA + sinA#?
- Question #13738
- Question #8b29b
- Given the equation #sinx+asin2x+sin3x=0#, find the range of #a# and solve for #x#?
- Question #d4316
- How do I simplify this equation? I have been trying to solve it but every time i would get a wrong answer
- Question #2249a
- How do you solve 2sin^3X-sin^2X-2SinX+1=0? I don't get how you get the 270.
- How do I solve 1-sinx=3cosxfor [0, 2)? Thank you!
- Question #3be0b
- Question #eed15
- Question #79382
- Question #f7c16
- Solve #cos^4(a)-sin^2(a)=1# ?
- How do I solve for "x" in 3sec^2(x)+2+sin^2(x)-tan^2(x)+cos^2(x)=0?
- Solve the following equations on the interval 0 is less than or equal to beta and beta is less that 2 pi? 2cos^2x+cosx=0
- Question #27324
- Can you simplify # cos(x)cos(2x)cos(4x)cos(8x)cos(16x) ... cos(2^n x) # ?,
- Question #5121f
- Question #561d4
- Question #55c8f
- Question #17f3c
- How do you graph #y= \sin 2\pi ( x + 2) + 4#?
- If #Cos theta +sin theta = sqrt2 sin theta# then #sin theta - cos theta#?
- Could someone please help me prove this identity? #1/(secA-1) + 1/(secA+1) = 2cotAcosecA#
- Question #b834f
- Question #05b88
- Question #e3197
- A trigonometry problem: general solution..?
- How do I simplify the trigonometric expression? cos(x)/sec(x) + tan(x)
- Question #806f3
- How do you solve #sinx/(1 - sinx) - sinx/(sinx + 1) = 2#?
- Question #1ce92
- Question #5e884
- Find csc theta and cot theta if tan theta=-4/3 and sin theta > 0?
- Simplify (Sin^2((pi/2)-theta))/sec(-theta))?
- Question #3ad93
- Question #c80eb
- Question #e491a
- Question #85e10
- Question #e07c1
- Question #95dd5
- Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of sin x° and cos y° share?
- A 12ft ramp rests against the edge of the floor at the back door of a truck. To make it stable 2.5 ft, of the ramp extends beyond the edge of the floor, which is 3.5 ft above the level ground. Find the cosine and tangent That makes with the ground?
- John is making an elliptical shaped table from a rectangular piece of wood. He puts 2 nails in the wood 16 inches apart and then attaches 20 inches of string between the nails. Using a pencil, he pulls the string tight and thus traces out the set of...?
- Question #8969e
- Question #cb7b6
- Find (x,y) on the unit circle, given that the x-coordinate of P is -1/2 and P is in Quadrant III?
- What are the x-intercepts of #f(x) =30sin(3x)cos(3x)#?
- Question #a6fe2
- How do you simplify sec^2θ(1-sin^2θ)?
- Two countries are halfway around the world from each other (by E to W) and lie on the 17 degree north latitude. Earth's radius is 3790 miles at that latitude. Would flying west to the other country be shorter, or would flying directly north be shorter?
- Question #8ea5f
- Question #ec8f7
- If sin x = -12/13 and tan x is positive, find the values of cos x and tan x ?
- How do I solve the problem given here? A kite is 120 ft high when 650 ft of string was out. What angle does the kite make with the ground, assuming that the string is directly tethered to the ground?
- Question #63916
- Question #b6bb2
- Identify the expression that completes the equation so that it is an identity. cos x/1+sin x = ?
- Question #0fec0
- Question #15365
- What is the general solution to #cosx - tanx = 0#?
- Super confused need help asap. Am I right or am I losing my mind?
- Question #91c57
- Question #49155
- How do I simplify #(1+tan^2x+sec^2xcot^2x)/(csc^2x+cot^2xcsc^2x)#?
- Question #8c8a9
- How do you find the values of the indicated functions?
- How would I solve the following equation in the interval [0,2#pi#): #3 tan theta + sec^2 theta = 2# ?
- How do you solve #cos^2(3x)+3sin(3x)=3# ?
- Does #x^3+sin x = 1# have a root in #(0, 2pi)# ?
- Question #bbd53
- How to use de moivre's theorem to express #(sin 6theta)/sin theta# as a polynomial in #cos theta#?
- Find all the solutions in the interval [0,2pi) sin 3x-sin x=0 ?
- Question #f370b
- If sinΦ=(Sinx+Siny)/1+Cosx.Cosy then prove that CosΦ=Cosx.Cosy/(1+Cosx.Cosy) answer of this question??
- How to find the exact value of cos(2tan^-1(9/40))?
- Simplify (sic) #tan 2x# ?
- Question #09851
- How do I solve for tan (theta) and theta?
- Question #92197
- Tanx/secx + cotx/cscx = sinx+cscx how do I verify this?
- Question #13c72
- Question #f9eec
- How do you evaluate #2- 3\sin x = 0#?
- A #DeltaABC# is right angled at #B#. Find the value of?
- For #DeltaABC# show that ?
- Question #11ee3
- Question #2c9a8
- Question #d444c
- Question #ec48f
- Prove that tan∅/1-tan∅-cot∅/1-cot∅=cos∅+sin∅/cos∅-sin∅?
- Question #c9b97
- Question #ebf32
- What is the value of #tan(135˚)#?
- The picture has the question. the degree should be converted to radians and plug it into calculator to apply sinreg. how can I covert those degrees to radians?
- Question #b619a
- Sarah stands next to a 64ft high building and she measures that it has a 288ft shadow. Sarah's shadow is 18ft. How tall is Sarah?
- Question #fab30
- Question #355f8
- 4. If the cosecant of a fourth quadrant angle is –π/e, what is its cosine? Thanks
- Question #2835f
- Question #91678
- Question #5b420
- Question #d73e5
- Question #ea6cb
- Write on the trigonometric form the following complex number: -3(Cos#pi#/4 + isin#pi#/4) ?
- Question #ca53f
- Question #84195
- #(sec a+1)=tana(2+√3) # 0<=a<=2π??
- Question #366e9
- Question #c21c1
- A belt 12.25 meters long passes around a 3.5 cm diameter pulley while belt makes three complete revolutions in a minute. How many radian does the wheel turn in 5 seconds?
- How do I verify tanx/secx+cotx/cscx=sinx+cosx?
- If #sin theta = -4/5# and #theta# is in the fourth quadrant, find #cos theta#?
- Question #7b11a
- If tan(t) = 2/3, find tan(-t). How do I evaluate this?
- Question #1d26d
- What is the angular velocity of the second hand of a clock, in radians per second?
- A trigonometry problem please?
- How to simplify #sin^2x/(cos^2+3cosx+2)=(1-cosx)/(2+cosx)#?
- What is the domain of #sinx = -1/2 #?
- Question #aac53
- Question #c2994
- How do I simplify (x)(secx)(cscx) ? Thanks in advance!
- Question #b0a1e
- How do you find cos theta?
- Question #4b672
- Question #2ef1a
- Question #3cb9b
- How do you convert 36 degrees to radians?
- Question #b8333
- Question #21c71
- How do you solve #3\sin ^ { 2} x + 4\cos x - 4= 0#?
- Question #38872
- How to put this polar equation in rectangular format? r=(1)/(-8cos theta-3sin theta)
- Question #01a26
- Question #2961b
- Prove that #1- cos(x) = 2sin^2(x/2)#?
- What is #cos 36^@# ?
- Question #97607
- How to use the product-to-sum formula to write the product as a sum or difference? 4 cos pi/3 sin 5pi/6
- How to solve for #x# in #sin(2x-pi/3)=1/2#?
- Question #bfbd7
- Question #284d5
- A gondola on an amusement park ride spins at a speed of 13revolutions per minute. If the gondola is 28 feet from the ride's center, what is the linear speed of the gondola in miles per hour?
- How do you find the period of #2sin(2x) +1#?
- Why is the arctan of equal to pi/6? My teacher says it's pi/6 but is it really that or is it pi/3? Maybe he messed up when providing the answer?
- How do I verify with a cube?
- Question #07942
- How to verify (1-tan^2)/(1+tan^2)=1-2sin^2X?
- Question #35ee5
- Find the radius and the center of the circular section of the sphere |r| = 26 cut off by the plane r ·(2i+6j+3k) = 70 ?
- The diameter of each wheel of a bicycle is 27 inches. If you are traveling at a speed of 10 miles per hour on this bicycle, through how many revolutions per minute are the wheels turning?
- Cos(2sin^-1 x -pi/2) ?
- Question #1ab02
- Question #c58a2
- Question #b92c3
- Question #01a2a
- How can i find the Domain?
- |TRIGONOMETRIC FUNCTIONS| What's the perimeter and area of the hatched region? Thank you!
- Tan x+secx=2cosx ?
- Question #ee593
- If #cos(t)=4/7# and #t# is in the 4th quadrant, find #sin(t)#?
- Question #f2e98
- Question #5869c
- Exact pi value of -1 - 3#sintheta#=-4#sqrt2# - 1 + #sintheta# in the interval 0 #<=# #theta# #<# 360?
- Question #f183d
- How do you prove? (cos^2x+tan^2x-1)/sin^2x=tan^2x
- Question #3e331
- How do you evaluate #\cot ^ { - 1} ( - 0.031)#?
- Question #b383f
- Question #f2380
- Question #155f9
- Question #445be
- If #sin theta = 1/4, then cos(90degrees - theta) =?
- Question #80def
- Which one is the correct one??
- Question #1892e
- Question #354f5
- Question #a9928
- Question #9d772
- Question #96eb0
- Question #641e7
- Question #cb806
- Question #de3d6
- Question #26248
- Trig Help Please?
- How to solve 1+cos2X/cotx?
- Question #f0439
- Question #0a625
- If sin(θ) = − 5/6 with θ in Quadrant III, what is cos(θ)?
- Question #ea46a
- Question #9773c
- Question #a3e4b
- How do I draw the right triangle ABC whose sides have the following values given below, and then find the six trigonometric functions of angle A? a = 2, b= √5, c = 3
- Question #81bdb
- Show that #Sin3theta= 3sin theta–4sin³theta# ?
- Question #6abef
- Express the equation #tan(theta+45)-2tan(theta-45)=4# as a quadratic equation in #tan theta#. Hence solve the equation. Can someone please solve this?
- Please help me with my test?
- for x ≠ kπ, k∈Z show that: sin8x / 8sinx = cosx.cos2x.cos4x deduce the value of E = cosπ / 7.cos2π / 7.cos4π / 7 ?
- How to simplify cos x cos y(tan x + tan y)?
- #2sin3alphacosalpha#?
- Question #4467f
- Question #23e9c
- Question #350ab
- Question #538a5
- Question #d8ac3
- Question #15764
- Question #3d24f
- Question #ae7ae
- How do you solve this?
- Question #ac0ca
- Question #4ab12
- Solve the following. (Hint: Ans is x=0 & x=0.5ln2) but how?
- Question #1f7cb
- Solve the equation #costheta/(1-sintheta)-costheta/(1+sintheta)=2#?
- Question #22205
- Question #23b80
- How do you solve #\tan ( 45^ { \circ } ) = \frac { x } { 6} #?
- Question #1495a
- Question #fa116
- Question #fd0d1
- Question #f18f0
- Question #a1332
- Question #904ee
- Question #20cb6
- Question #ddc05
- Question #3317a
- Question #e661b
- Question #57f89
- Question #16a52
- Which is greater, #tan 1# or #tan^(-1) 1# ?
- How do you find #tan theta#, given #cos theta = sqrt3 / 2# and #0° < theta < 90°#?
- How can i find the Domain of this f(x)?
- Question #cf633
- Question #452ac
- Question #8b54d
- Find the value of each of the trigonometric functions of theta? sec theta=11, tan theta >0
- Find the reference angle for 8 pi divided by 5?
- A 50-foot wire runs from the roof of a building to the top of a 10-foot pole 14 feet across the street. How much taller would the pole have to be if the street were 16 feet wider and the wire remained the same length?
- Solving Trigonomic Equations. How do I go about solving 4sin^4x + 3sin^2x -1 =0?
- Question #ee035
- Question #20b45
- How do you simplify sec^2 (pi/2 - X)-1? Please show me the easiest way to do this.
- In Exercise 9, what would the distance across the top of the worm thread have to be to make d equal to 0 inches?
- Question #10c5a
- Question #b3946
- Question #f5b3e
- Question #00ca6
- How do you solve #\sin (3x-27)=\cos (5x+5)#?
- Question #b649e
- Question #a3f6b
- Question #93d0c
- Sierra walks 26 cubits due south, then 70 cubits due east and finally 50 cubits due north. How far is Sierra from her starting point?
- Question #6ef07
- How do you sove for all values of x: sin2x-tanx= tanx cos2x?
- Question #e8d28
- If # sinx+cosx = 1/2 # find #sin2x#?
- Question #76db0
- Question #7ebbf
- How to solve?
- How to solve?
- Question #ac83f
- Question #7ddbc
- If #A+B=315^0#, then what is the value of #(1-tanA)(1-tanB)#?
- Question #9eb29
- Question #ac4f4
- Question #f944c
- Question #7fa6f
- Beginning trig.., what is cot in right triangle?
- Question #a4dcd
- Question #3a931
- Beginning trig... find csc?
- Question #6addb
- How do I solve for the variables of the figures below here?
- If #tantheta+cottheta=4 ÷ √3# then what is the value of #theta# given that #0≤theta≤2π# ?
- Question #3ff7f
- Question #60967
- Question #381f0
- Question #d42f6
- Question #467e4
- Question #9d4ec
- Question #29edb
- Question #af199
- Question #27836
- Question #06f33
- What is the maximum of #f(x)= sqrt((sinx + cosx)^2)#?
- Question #286cd
- Question #7beaa
- Question #e42ce
- Question #62ba8
- Question #57b7b
- Question #73baa
- Question #f49a1
- Question #8ef0f
- Question #abfce
- Question #9c9b7
- Question #c7432
- Question #83317
- Question #fd3e2
- Question #a948d
- How do you solve #1 - sin^2x +2sinx = 2#?
- Question #30979
- Find the length of a circular arc subtended by an angle of #π/6# rad, if the radius of the circle is 48 cm?
- Question #bd09c
- Question #26bf4
- Question #18095
- What is the exact value of the bottom length (ie. x)?
- Question #f8950
- Question #ff1a3
- Show that for #ABC#? cosB.cosC-sinB.sinC+cosA=0
- Show that sinB.cosC+sinC.cosB=sinA ?
- Question #2dbc6
- Please help me how can I draw the right triangle ABC whose sides have the following values given below, and also find the six trigonometric functions of each triangle’s angle A? a = 9, b = 40, c = 41
- Prove that #(1+sinβ-cosβ)/(1+sinβ+cosβ) +(1+sinβ+cosβ)/(1+sinβ-cosβ)=2cscbeta#?
- Question #0e649
- Use demoiveres theoreum to show that ;? #tan 4theta= (4tan theta — 4tan³theta)/ (1 — 6tan²theta+tan^4theta)#
- Prove that #((tan a +sec a +1 )( tan a -sec a +1 )) / tana =2 #?
- Question #3dacd
- In #DeltaAB# prove that, #a^3sin(B - C) + b^3sin(C - A) + c^3sin(A - B) = 0# ??
- Question #9d630
- Question #d7e2f
- How to solve this identity? Thank you!
- If #sin theta +sin^2theta=1# and #acos^12theta+bcos^10theta+c cos^8theta+dcos^6theta-1=0#, then #(b+c)/(a+d)=#?
- Question #c299d
- Find the solution of ;? Cos²x— Sin²x =0.5
- Question #7496d
- Question #49b10
- Question #c9ba6
- Question #d1e62
- Is this equation possible?
- Question #e82b6
- Show that {sec^(4)x-1}/{tan^(2)x}={tan^(2)x+2}?
- Prove the identity #cos4θ - 4cos2θ≡ 8sin^4θ - 3# could really use some help on this?
- Question #3a7d0
- Question #fbbb7
- Question #a8475
- How can i solve this equation : #tan(45+x)-3tan x=2# ?
- Question #d064e
- Question #4a4ea
- Question #ef902
- Question #167f2
- Prove the identity # (cot x)/(1+csc x)-(cos x)/(1-csc x) -= secx + sinxtanx#?
- Question #430a4
- Find the value of alpha and theta?
- Question #3089d
- Question #28924
- How can i find the domain of this?
- How do i do (2sinθ + √ 3)(sinθ-1)=0?
- Question #94816
- Question #96293
- Can someone please explain that how we got#1 <=sin^(-1)cos^(-1)sin^(-1)tan^(-1)x<=(pi)/2# from #[sin^(-1)cos^(-1)sin^(-1)tan^(-1)x]=1# ?, where [.] denotes the greatest integer function.
- Question #723dc
- Show that sin θ + i cos θ = cis π 2 − θ .?
- Question #e068c
- Could someone pls tell me why did they substitute t = 3 hrs instead of t = 1500 hrs in part c)?
- Question #b297c
- Question #c731b
- If #sinA*sin(B-c)=sinC*sin(A-B)# then show that # a^2,b^2,c^2# are in AP.?
- Question #8480d
- Question #b4c60
- How do I verify Cosx/1-sinx = 1+sinx/cosx ?
- Question #03596
- Question #712b6
- Question #22a09
- Question #06578
- Question #bc8d2
- If #(cosA+2cosC)/(cosA+2cosB)=(sinB)/sinC# then show that the triangle is either isosceles or right angled triangle. I got #cosA+cosB+cosC=1# what to do after this?
- Question #b56a0
- How do you solve this trigonometric equation?
- Question #3a947
- Find the cube root of complex number ? Z=-√2 + i√2
- Question #f0256
- How do you prove: #(1-2sin^2(x))#//#(sin(x))=csc(x)-sin(x)#?
- SinBtanB+sin(90°− B) how do I simplify this trig expression?
- Question #45241
- Question #73e6e
- use DeMoivre's theorem to simplify ?
- Question #381cb
- Question #2793f
- Question #eadac
- How do you prove #\frac { \cos A + \sin A } { \cos A - \sin A } = \tan ( 45^ { \circ } + A )#?
- If #sin(theta)=3/5# what is #cos(theta)#?
- How do you evaluate?
- How do you solve #\sin \frac { \pi } { 2} - A = \cos \frac { \pi } { 2} - 38.75\cos 87.27^ @#?
- What is #(cos^2(x))/(cos(x))#?
- If #r_1=r_2+r_3+r# prove that the triangle is right angled.?
- Question #23e2c
- Could someone please tell me how did we get these values for bearings?
- Show that #(a^2sin(B-C))/(sinB+sinC)+(b^2sin(C-A))/(sinC+sinA)+(c^2sin(A-B))/(sinA+sinB)=0#?
- If #1/(a+c)+1/(b+c)=3/(a+b+c)# then find angle C.?
- Show that #(b^2-c^2)*cotA+(c^2-a^2)*cotB+(a^2-b^2)*cotC=0#?
- Question #6c2b0
- Question #b1e4e
- Is #cos 27^@ + cos 93^@ + cos 143^@ = 0# ?
- How do you find #(cos5x+cos4x)/(sin3x+sin2x)#, if #14x=3pi#?
- Question #d95f5
- Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)? 4 + 2 cos(2x) = 6 cos(x)
- Question #6b0f2
- A spring attached to a ceiling is pulled down #20# cm. After #3# seconds, wherein it completes 6 full periods, the amplitude is #15# cm. Find a sinusoidal function modelling it's position #t# seconds after released?
- How do you simplify Sin^2xcos^2x-cos^2x ? -Thanks
- Question #23847
- Question #0d17d
- Question #be5eb
- Question #4242c
- Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)? 16 cos(x) + 8 sin(2x) = 0
- How do I find all the exact solutions of the equation in the interval [0,2pi]: sin(3x) = sin(x)?
- Question #8c20e
- Question #34976
- Question #97e1b
- Question #d407c
- Question #ec3cf
- #6(tanx)^2-4(sinx)^2=1#. Solve x?
- Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)? 18 cos(x) − 9 = 0
- How do you prove #\sin ( \frac { \pi } { 2} - x ) \cot ( \frac { \pi } { 2} + x ) = - \sin x#?
- Question #68eb1
- Prove that; 1-cos(theta)/sin(theta)=1/cosec(theta)+cot(theta)?
- Question #5bc84
- How do you simplify #2 +tan^2(x)/sec^2(x)-1#?
- Question #72004
- If #sinx+sin^(2)x+sin^3x=1#, then what is the correct option for #cos^6x-4cos^4x+8cos^2x#?
- The number of solution of the equation cosx cos2x cos3x=1/4?
- Solve #2tan^2xsinx-tan^2x=0#, if #x in[0^@,360^@]#?
- Question #74046
- How do you simplify #cos(sin^-1 x)#?
- How do you prove that #sin(a+b)=sin a cos b + cos a sin b#?
- Question #9f802
- Question #0bfd2
- Question #c15e5
- Question #ae9d5
- Question #6e4bb
- If #8cosx + 15sinx = 15# and #cosx!=0# then which of the following option is correct for #8sinx-15cosx#?
- Show that show that for all reals #a# and #x# we have?
- Suppose #f(x) = 3tan^4x + 2k# and #g(x) = -tan^4 x+8k tan^2 x+k#, where #0 <= k <= 1# and #f(x) = g(x)# has exactly one solution for #x in [0, 1]#. Then what is that solution?
- Question #b1c51
- What is the interval of the following function for which,#2tan^(-1)x+sin^(-1)[(2x)/(1+x^2)]# is independent of #x#?
- Question #624dc
- Could someone pls solve this bearings question?
- What is the value of (2cos 20°+2cos70°)?
- If #3secalpha-5tanalpha=k# and #6secalpha+ktanalpha=5# then what is the value of #k^2# among the following option?
- Question #a5c11
- Question #4a252
- Question #6cf2e
- Question #61a0b
- Question #55d88
- Question #3f97c
- What is the correct option from the following for, #3tanx+27cotx>=#?
- Question #f358e
- If #sin(theta)+cos(theta)=sqrt(3)cos(theta)#, then what is the value of #2cos(theta)-sin(theta)# from the following option?
- Question #39a5a
- Question #3e8cd
- Question #989c6
- How can I solve the problem?
- What will be the solution of the mentioned problem??
- Question #8eb0c
- Question #b9d5d
- Question #84c2f
- Question #6bcdd
- Question #daef4
- If #sin x + cos x = 1.2#, then #sin x - cos x# can be written in the form #+-sqrtA#. What is #A#?
- How do you solve #2sinx -1 = cscx#?
- Evaluate #sin^4 15^@ + cos^4 15^@#?
- Question #21fcb
- How do you find the general solution: #tanalpha - sin alpha = tanalphasinalpha# ?
- Question #48f2f
- Question #ca510
- Prove sinh²+cosh²x=cosh2x?
- Is it possible to have a right-angled triangle with an angle such that #sec theta =5?#. What would the angles be in the triangle?
- If #cos(x) + cos^(2)x = 1#, then which of the following option is correct for, #sin^(12)x + 3sin^(10)x + 3sin^(8)x + sin^(6)x + 1#?
- If #2sin(x) + 5cos(y) + 7sin(z) = 14#, then what is the value of #7tan(x/2) + 4cos(y) - 6cos(z)# among the following option?
- If #sin(A), cos(A), tan(A)# are in G.P., then which of the following option is correct #cot^(6)A - cot^(2)A#?
- Question #c44b0
- Cos theta + sin theta times tan theta = 2, theta= ?
- Question #5094a
- Question #43f9e
- Question #121ae
- Question #b5102
- What is the value of tan(9) - tan(27) - tan(63) + tan(81)? (all in degrees)
- Question #fe5d9
- Question #39017
- If #sum_(i=1) ^(n)sin(theta_i)=n # then #cos(theta_1)+cos(theta_2)+...+cos(theta_n) =#?
- Question #4c80c
- Question #5ea6f
- Question #70956
- How do you work out where construction lines go when sketching graphs such as #f(x)=x sin x#?
- Question #dc23b
- If #sec(theta) + tan(theta) = 1.5# then in which quadratant does #theta# lies?
- If #x= sin(1), y=sin(2) & z= sin(3)# then, which of the following option is true?
- Question #62f79
- Question #d9f99
- Question #bff37
- How do you solve sin x(cosx -1)= 0 over the interval 0 to 2pi?
- What is #cos 2^@# ?
- What integer solutions are there of #cos x = 1# ?
- Question #37842
- Question #3f1ae
- Can someone help me with the following question that I have posted as an image? please help!!
- Please how should i do the following question?
- Question #f3e45
- Question #662cf
- How do you prove 1/(tanx-secx)-1/(tanx+secx)= -2secx ?
- How do you prove (tanx-cotx)/(sinxcosx)=sec^2(x)-csc^2(x)?
- For what value of #x# is #sinx=cos19°#, where # 0° < x < 90°#?
- If #tantheta = sqrt(3)#, then how would you find the value of #sintheta#?
- Question #edd07
- Question #3ec3b
- How to find c? Please read the image and help me please!
- Simplify without using tables or calculations {Sin²315°(1-tan²210°)}÷{(1+cos²120°)(1+tan²330°)}?
- How to solve ecuation: (#sqrt((1-sinx)/(1+sinx))#-#sqrt((1+sinx)/(1-sinx))#)(#sqrt((1-cosx)/(1+cosx)#-#sqrt((1+cosx)/(1-cosx)#=-4 ?
- Question #9d822
- Question #65ded
- Question #ce570
- Question #88d71
- Question #81e80
- 4sin2θ + 14cos2θ = 7 How to find cosθ??
- Question #9a7e1
- Can someone please help me with the question that I have posted as an image below??
- What is the value of sin(-60°)?
- Question #5e3fc
- Question #efacf
- How to solve the equation #cos^4(x)-sin^4(x)=1+sin(2x)#?
- How do you evaluate #\tan (62)=\frac{20.31}{x}#?
- Question #fc725
- Question #c2150
- Question #d6a56
- Question #e94cc
- Question #af37b
- What is the range of #f(x)=1/cos{arcsin(sinx+cosx)}#?
- What are the number of real solutions of the equations of #cos^(7)x + sin^(4)x=1# in the interval #[-pi, pi]#?
- Question #9b19b
- Question #e5ad5
- Can u prove this equation using only LHS #[cos(alpha)+-isin(alpha)]/[cos(beta)+-isin(beta)]#= #cos(alpha-beta)+-sin(alpha-beta)#?
- What is the value of #arc cot ( - 1)#?
- Question #6f1f4
- Question #896f5
- Question #59f0b
- Question #ca2d2
- Question #d5176
- Question #f0eef
- Solving Trigonomic Equation. IF 0<x<360, what is the value of cosx in the equation 2cos^2x+sin^2x=41/25?
- Question #3ebb4
- Prove#(sin^2A/cosA)-(cos^2A/sinA)=(secA/csc^2A)-(cscA/sec^2A)#?
- Question #d188c
- How to find the value of k give that equation has no solution?
- What is the value of sin(10)cos(20)sin(30)cos(40)sin(50)cos(60)sin(70)cos(80)? Not in radians, in degrees.
- What is the minimum value of #2sin^2theta+3cos^2theta#?
- Question #139ce
- Question #bbcd5
- Question #5062f
- Solving Trigonometric Equations. Solve algebraically sin2x=0.5, 0<x<2pi?
- Question #7b467
- Question #9c033
- Question #c0fe0
- Question #f5a0b
- Question #54b67
- Question #a0e30
- Question #d6349
- Question #33aa8
- Question #0e470
- Question #46c50
- Question #62be1
- How do you express #sin 3theta# in terms of trigonometric functions of #theta# ?
- Question #9c615
- Question #57f31
- Question #fc207
- Solve: #5sin theta = 6 cos^2theta -6# for #theta in [0, 2pi]#?
- What is the value of #tan^2(1/2 sin^(-1)(2/3))# ?
- Question #d989d
- A bridge perpendicular along a river.Going some distance from the river along the one end of bridge,the other end of the bridge can be seen at 45 degrees. if we crosses 400 meters further,the end where we start can be seen at 30 degrees.Length of bridge??
- Question #7fa41
- Can someone help me verify the identities for these please? Thanks!
- How do you find the values of the six trigonometric functions of an angle in standard position if a point with #(-8, -15)# has on its terminal side?
- Question #d9c9a
- Question #899b3
- Question #06ba6
- Question #8c3f8
- Solve #x^2-9 = tanx # ?
- Question #bc254
- Solve cox X= square root 3/2 where 0 less than or equal to X less than an equal to pi2. a) how many solutions are possible? b) in which quadrants would you find the solutions?
- Simplify #cot^2x/(1-sinx)#?
- Question #3c0ea
- Question #d87ec
- Question #a7c99
- Question #b0c1d
- How can I solve this without using a calculator?
- Solving Trigonomic Equation. How do you write the equation Tan^2x + 2 = 0 in terms of sine only. Then, solve algebraically for 0< x <2pi?
- Question #ac6ec
- Question #af447
- Question #b3c4d
- Question #dd949
- Question #7d382
- How to Solve Tanx Cosx Sinx-1=0 algebraically, over 0 ≤ x <360 Deg.?
- Question #ce628
- Question #8d7d4
- Question #6de52
- Question #a5ffa
- Question #c7770
- #Cos x /(1-sin x )=(1 +cos x+sin x)/(1 +cos x-sin x)# Please prove it?
- Question #1645d
- Why is #1-cos^3x=(1-cosx)(1-2cosx+cos^2x)# a conditional equation?
- What does the graph of #1/sinx+1/cosx# look like?
- In the triangle below, the length of side a is 10 and the length of side b is 12. Given that the value of cos(theta) is equal to 1/5 find the value of cos(delta)?
- If #z=tanalpha+itanbeta#, find the modulus and argument of #z#?
- How to solve #cos x < |1|#?
- How to solve #tan x < |1|#?
- What is cot-1(2pi/3)?
- Question #0e284
- Question #78887
- Question #08683
- If x+iy=2/(3+costheta+isintheta),show that 2x^2+2y^2=3x-1?
- Question #a713f
- Question #47118
- Pls can someone find all the values of x solve for 0° < x < 360°... 2 sin^2 x = cos x +1 ?
- How are hyperbolic sine, hyperbolic cosine, and hyperbolic tangent used in real life?
- Question #c2612
- What is the simplification of the given function? #sec^(-1)[(2sqrt2)/(1+sqrt3) ]#
- Question #4884d
- Question #6db48
- Question #2c235
- Question #9e86d
- Question #5571f
- Question #1285e
- Question #68f09
- Question #554be
- If tanA+sinA=p and tanA-sinA=q. Then proove that #p^2-q^2=4sqrt (pq)# ?
- Question #9a016
- Question #f63e6
- Question #ed14b
- Question #f66a9
- Question #2733e
- Question #e1294
- How can i find x?
- Question #1bc49
- Question #bc1af
- Question #39aa9
- Question #02ea1
- Find local minima/maxima #y=(sinx-cosx+sqrt(2))/(sinx+cosx+2)# ?
- Question #10e48
- Question #ed9da
- Question #6c1d0
- Question #cab94
- Question #089d6
- Question #ac9a0
- How do you solve tan x - sin 3x = 1?
- What is #pi# (pi) ?
- Question #6c90e
- Question #170b1
- What do you get when #[tan(x)]^2#? Is it #tan^2(x)# or #tan(x)^2#? Also is #tan(tan(x))# same as #tan^2(x)#?
- Question #40454
- Question #3065c
- Question #81c80
- Question #6ff48
- Question #473f6
- Question #a4298
- What is the solution of the mentioned problem??
- Find the value of #sin(cos^(-1)(1/2)+tan^(-1)(1))#?
- Two hikers start from the same point; one walks 9km heading east, the other one 10 km heading 55degrees north east. How far apart are they at the end of their walks? *do I have to subtract 55 from 90 here?
- Question #fe7ce
- How to prove Cot(A+B) =(cotAcotB-1)÷(cotA+cotB)?
- Question #9934a
- Question #a5768
- Question #e19a7
- Question #e2d7d
- Question #10d18
- Question #efef9
- Question #4f142
- Question #837e8
- Question #5c2fd
- How to prove cot x + tan 2x=cot x sec2x?
- Two circles are externally tangent. Common tangents to the circles form an angle of measure #2x#. How do you prove the ratio of the radii of the circles is #(1 - sinx)/(1+ sinx)#?
- Question #daa48
- Question #5322e
- Given cos theta = 3/5 and theta is located in the fourth quadrant; find sin theta?
- If #x + 2 = 3sintheta#, how do you determine the value of #cos(2theta)#?
- Question #4daaf
- How can I solve this??
- Question #12b1c
- Question #3a12c
- Question #83fa3
- Question #2fa4f
- This question is about f(x= -(x+1)sin(5x). ?
- Question #a5c94
- Question #b3862
- Question #6e2a4
- What is solution of the mentioned problem?Please,help.
- Question #0eac0
- If #cosx = p#, how do you derive expressions for #sinx#, #tanx# and #sin(90˚ - x)# in terms of #p#?
- Solve the ecuation sinx+sin2x=2?
- Question #0046c
- What will be the solution of the mentioned problem?
- Question #88fc8
- How can I solve the mentioned problem?Please,help.
- Evaluate #lim_(x->0)(1-cosx)/x^2#?
- Write #sec(a+-b)# in terms of #seca# and #secb#?
- How can I solve this problem?Please,help.
- Question #adbd7
- Prove that tan(A+B)*tan(A-B)=cos²B-cos²A/cos²B-sin²A?
- Solve cox X= square root 3/2 where 0 less than or equal to X less than an equal to pi2. c) Determine the related angle for the equation? D) determine all the solutions for the equation?
- Solve #sin((n+1)theta) = sin(ntheta)# ?
- Question #65259
- Question #20640
- Question #a9340
- Question #c11fc
- Question #6f5d3
- Solve: #5tan3x=2# for #x in (0, 180^o)#?
- How do you express #f(theta)=-sin^2(theta)+cot^2(theta)-2tan^2theta# in terms of non-exponential trigonometric functions?
- Question #231c7
- Question #3a4af
- When converting polar equations in Cartesian equations, how do you deal with #theta# when it is on its own?
- Question #33724
- Question #75174
- Prove that #cos((2pi)/9)*cos((4pi)/9)*cos((8pi)/9)=-1/8#?
- What is the solution of the mentioned problem?
- How do solve the equation, 3 sinx Sin2x = 2cos³x, giving all solutions in the interval 0<x<2pi, in terms of pi?
- Question #9ab7b
- Question #74225
- Question #2144a
- 14.How would you solve this?
- Prove that sin(theta)+sin2(theta)/1+cos(theta)+cos2(theta)=tan(theta)?
- What is #sin# ?
- What will be the solution of the mentioned problem??
- Could someone help me to find the solution of the mentioned problem?
- How do you solve? 5cos2x+3sinx=4
- Question #74d63
- Question #8971c
- Question #2b99f
- Question #5ead4
- If #sinu=-4/5# and #u# is in #Q3#, then find #sin2u,cos2u# and #tan2u#?
- Question #2d72f
- Question #c71e9
- Question #5cb4b
- Question #7a9e2
- How do you show that #2cos(2x)cosh(x) = cosh(3x) + cosh(x)# ?
- Question #b639f
- Consider equation #5/2cos(2x)-1/2=3sin(x)# a) Put the equation into standard quadratic trigonometric equation form. b) Use the quadratic equation to factor the equation. c) What are the solutions to the equation to decimal places, where #0<=x<=360^@#?
- Use a compound angle formula to demonstrate that sin(2pi-x) = -sin(x)?
- Penny needs to find cos #pi/12#. If she only knows that cos #pi/6 = sqrt(3)/2#, how can she find cos #pi/12# using a double angle formula? What is her answer?
- Prove that 1-tan^2x/1+tan^2x = cos2x is an identity?
- Given that #tan2A = 3/4# and that the angle #A# is acute, calculate, without using tables, the values of: (i) #cos2A# (ii) #sinA# (iii) #tanA# (iv) #tan3A# ?
- Question #2f0ec
- Question #f4251
- Question #56801
- Who do I prove that the RHS is equal to LHS? Sin2x (tan x + cot x) = 2
- What is the value of # y # in #sin99/(5y-18) = sin49/(3y+2.7) # ?
- Question #92c75
- 2sinx=cscx solve between 0°and 360°?
- Question #f75fc
- How Solve function?
- What is #\arcsin ( \sin ( \frac { 2\pi } { 3} ) ) #?
- Question #7e407
- The height of a house subtends a right angle at the window of another house situated just on the oposite side of the road.The angle of elevation of the top of the first house from the window is 30deg.If the road is 4sqrt3 meter broad,find hgt of 1st hous?
- Solve for the following equation in the interval [0, 2#pi#): #3cos^2theta + sin^2theta =2#?
- Question #cc9dd
- Question #6d434
- Question #7a8d5
- Question #89209
- Question #a18e0
- Question #4379f
- Question #853fd
- What is the domain of #f(x) = sqrt[cos(sinx)]#?
- Hi there! Can you take couple minutes to help me out with a sound wave question please? Thanks!
- Question #808a3
- Find the other 5 trig functions?
- Question #e7f98
- Question #dd613
- Question #97704
- Solve #2cos^2x=2+sinx# ?
- Question #1cdb8
- Question #f1bde
- Question #10263
- How to prove #sin(4x) = 8 (cos^3)x sin x − 4 cos x sin x#? With sin(4x) = Im(e^(i4x))
- Question #98f52
- Question #a1243
- Question #285a4
- Question #eda16
- 4 sec x-csc x=O Solve?
- Find all solutions of #sintheta# =0.5 in the region 0 #<=theta>=# 720#*# ?
- Question #92df2
- Question #4db5a
- Question #00444
- Question #9ca46
- How to prove #sin(4x) = 8 (cos^3)x sin x − 4 cos x sin x#?
- Question #0d666
- Question #aec28
- Question #087f5
- Question #6e5a3
- Question #faffa
- Prove that #(cscA-sinA)(secA-cosA)=1/(tanA+cotA#?
- Question #e88ad
- Question #c7327
- Question #c52a0
- Question #81cb8
- How do you solve #\sec \theta = 1.2746#?
- Question #bc6bb
- Question #728ad
- Sin^2x+sin^2x cot^2x ?
- Question #cdb8e
- Tan(x/2), if sin x= 7/25 and x is between 0 and 2pi?
- Question #2e7c7
- Question #c175d
- How do you prove tanx tanx(1/2)=secx-1?
- Find the quotient and write the result in a+bi form? #(16(cos240^\circ+isin240^\circ)) /(8(cos90^\circ+isin90^\circ))#
- Question #a2fd4
- Question #9f262
- Question #d60b1
- Question #59aa5
- Question #807d9
- In a triangle ABC, #tanA:tanB:tanC = 1:2:3#. Hence #sinA:sinB:sinC# is equal to?
- Question #4410a
- Question #2211e
- If 3π/2≤ θ≤2π and cosθ=8/13, find sin(2θ), cos(2θ), and tan (2θ)?
- Find the amplitude of the function #2y=cos (4(t-6))+6#?
- Find speed in Km/Hr ?
- Question #990b4
- Question #dc89d
- Question #7b744
- Question #8c9ae
- Question #7e1a8
- How do you verify (cos2x-1)/(sin2x) = -tanx?
- Question #1feaa
- Question #9efd9
- Question #2a9f7
- If #Sin17^@ =x/y# , then show that #Sec17^@ - sin73^@ = x^2/(ysqrt((y^2 - x^2))# ?
- Question #187c4
- Question #990ff
- Prove that? cos(π/10-A)cos(π/10+A)+cos(2π/5-A)cos(2π/5+A)=cos2A
- Question #51842
- Question #ba906
- Question #d0f7b
- Prove that, can anyone help me, please?
- Question #0ad18
- Question #cc9ff
- Question #c6184
- Prove that #sqrt((1+sinx)/(1-sinx))=secx+tanx#?
- If A+B=π/4 Prove that (1+tanA)(1+tanB)=2 and (cotA-1)(cotB-1)=2?
- Question #3c29b
- How to solve this identity? Thank you!
- How to solve this identity? Thank you!
- Question #ec539
- Question #22412
- Question #d2fb0
- How to prove that this triangle is right-angled?
- Question #e4983
- Question #7f4f7
- If one side and two angles of a triangle are given, which law can be used to solve the triangle?
- Question #c31b3
- How do you prove that this trangle is isosceles?
- How do you solve #\tan ^ { - 1} ( \frac { 12} { 5} ) = \cos ^ { - 1} x#?
- Question #161f5
- Question #3fd13
- Eliminate '#theta#'?
- How to do this?
- Question #bf476
- Question #28816
- How to solve this identity?
- Question #dc76b
- Question #32b6a
- Question #a1124
- Find all the fourth roots of the complex number #-8+8i(sqrt 3)# ?
- Question #3c564
- Question #afaf9
- In #DeltaABC#, the value of #(a cosA + b cosB + c cosC)/(a+b+c)# is equal to?
- Question #d211c
- Question #a2a0f
- Question #cd8a9
- Help me please ?
- How to solve this identity? Thank you!
- How to make this expression independent from B? thank you!
- Question #20b1a
- Question #10a8b
- Question #bfb94
- Question #d2df5
- Question #c6929
- Question #d00f2
- Question #b3615
- Question #80ec8
- Question #330f8
- How to do this one?
- What are the solutions to the equation sin^2x+cosx=-1 on the interval 0 ≤ x < 2pi?
- How to solve #3sin(x+10)=cos(x-20)#?
- Question #f9a90
- Question #23d29
- Question #ad152
- Question #6c7c0
- An airplane travels at 125 km/hr...?
- Question #7fce1
- What are the solutions to sin^2β - sinβ - 2=0 on the interval 0° ≤ β ≤ 360°?
- How to you simplify cotx+tanx?
- What are the solutions to 2cos^2x=cosx on the interval [0,2pi)?
- Question #df448
- Question #06337
- If #sin 2theta = 2sinthetacostheta#, what is #sin 50theta#?
- Question #7f9eb
- Prove the identity tan^2x-sin^2x is same as (tan^2x)(sin^2x)?
- Question #df1c6
- Question #ba188
- Question #4a72e
- Question #fb399
- Question #ca560
- Find sin x/2 if cos x=-31/49 and x is between pi and 2pi?
- Question #60c3c
- Question #9318a
- Question #69b9f
- Question #84672
- How to solve this ?
- Question #59458
- Question #359ad
- Prove that #sqrt((1+sintheta)/(1-sintheta))=csctheta+costheta#?
- Question #d6d64
- Question #50781
- Question #b4df7
- If #sec A = \sqrt 2#, what is #(3cot^2 A +2 sin^2 A)/ (tan^2 A -cos^2 A)#?
- Question #fb52e
- Find the general solution of #sec4theta - sec2theta =2#?
- Question #3837a
- Question #63d49
- Question #4cf24
- Question #ca3a5
- Question #55a93
- Question #c4460
- Question #0d6f1
- Question #41a6d
- If #acostheta+bsintheta=c#, what is the value of #asintheta-bcostheta#?
- Simplify #1-tan^2(25^@)+csc^2(65^@)#?
- Question #1b1a9
- Question #bcce3
- Question #4cf20
- Could you please help with this trig?
- Question #0b5d8
- Cos (1+x) = .3 x equals what?
- If A+B=π/4. Prove that (1+tanA)(1+tanB)=2 and (cotA-1)(cotB-1)=2?
- Question #4a994
- How do you evaluate #3\sec (\frac{\pi }{4})-3\sec (0)#?
- Question #17c47
- Question #7a7a9
- Question #6fb62
- Question #18ef2
- Question #4a092
- Question #9e311
- A point on the terminal side of angle #\theta# is (9, 12). What is cos #\theta#?
- Question #db4da
- Question #7c0dd
- Question #e0bdc
- How to solve #cos(x)+sin(x) > 0#?
- Solving this triangle?
- Question #c0be0
- Question #de778
- Question #98575
- Question #ea634
- How to solve this ?
- How to do this question?
- Question #78aa1
- How would you solve this?
- Question #082df
- Can you help with this?
- Question #c8519
- Question #063b7
- Question #aee32
- Question #abecf
- Question #df561
- Solving this triangle?
- Factor and simplify please?
- Simplify please?
- Prove the identity?
- Question #9f3f9
- Question #ed031
- Question #b545b
- Question #e9d6f
- If #sec \theta + tan \theta = m#, how do you show that #(m^2 -1)/(m^2 + 1) = sin \theta#?
- Solve equation #4(sin^2(2x)) +7(sin^2x)-2=0# For #0<x<360#?
- Solve the given equation. If there is no solution, enter NO SOLUTION: cos2x=5sinx-2?
- Question #77a0d
- Question #73def
- How do you evaluate #tan 27°#?
- Question #fb8fe
- Prove that cos(theta)-√3sin(theta)=2cos(theta+π/3)?
- If tan A=n tan B and sin A = m sin B then show that cos²A=(m²-1)/(n²-1) ?
- Prove that tan(A+B)*tan(A-B)=cos²B-cos²A/cos²B-sin²A?
- Question #07b94
- From the top of a hill, the angles of depression of two consecutive kilometer stones due to east are found to be 30° and 45°. Find the height of the hill (or) what is the height of the hill?
- Question #533f4
- If #cos (pi/6) = (sqrt 3/2)#, how can I find #cos (pi/12)# using a double angle formula?
- #cot765^@ = #? #sec765^@ = #? #csc765^@ = #?
- In triangle ABC given: #cos(A)=sqrt(2)//2# and #cos(B)=sqrt(3)//2#. Then, #cos(C)=#?
- Question #9aca1
- If #cos^(2)20^@-sin^(2)20^@=p# then #sin80^@=#?
- If #sinalpha-cosalpha=p#, then #sin2alpha=#?
- If #3sinx+5cosx=4, then #(3cosx-5sinx)^(2)=#?
- How do you prove #(sin 8A cos A -sin 6Acos 3A )/ (cos 2 A cos A-sin 3Asin 4A) = tan 2A#?
- Question #6db83
- If # tan 2\beta = - \sqrt 3# and # 0 <= \beta <= \pi#, what is #\beta# ?
- Question #5bc91
- Question #6e0f0
- if #sintheta+csctheta=2# then find the value of #sec^3theta + csc^3theta#?
- Question #4c798
- Question #efd12
- Question #57502
- If #3Sec theta = x and 2Tan theta = y #, then how #x# and #y# are related ?
- How to solve this word problem?
- Question #eb864
- Question #ef7d0
- Question #33115
- Question #e6e17
- Question #79e30
- Question #98f3d
- Question #d53c6
- Question #45dfd
- Question #36366
- Find the general value of (theta) satisfying: 1) sin2(theta)=1/2 2) cos2(theta)=1/2 3) tan3(theta)=1/√3 4) cos3(theta)=-√3/2 5) sin²(theta)=3/4 6) sin²2(theta)=1/4 7) 4cos²(theta)=1 8) cos²2(theta)=3/4??
- Question #3fd1a
- #[cos(alpha)+cos(beta)]²+[sin(alpha)-sin(beta)]²=4cos²((alpha+beta)/2)#?
- Prove that #cosA/(1+sinA)=tan(π/4-A/2)#?
- Question #3d715
- Question #9477a
- Question #60173
- Question #5dcd0
- Question #c7682
- Solve: #2cosh(2x) + sinh(x) =4# ?
- Question #83dea
- Question #c27a5
- Question #bd1e2
- Question #0be14
- What are the values of #theta# that satisfies #2costhetatantheta + 2costheta -1 = tantheta#?
- Question #03adb
- Question #5fccc
- How do you simplify #(secx + cscx)^2cotx#?
- Question #27d6b
- Question #7856d
- Question #9242f
- Question #f620d
- Question #6a3fa
- Question #58cde
- Question #36bfc
- Prove that #2sin(A/2)=+-sqrt(1+sinA) +-sqrt(1-sinA)#?
- Question #2ef7c
- Question #3ddba
- Question #2eb6f
- Question #03d33
- Question #62475
- Question #12fe1
- Calculation of vector?
- Question #e90c5
- Question #c256e
- Question #13057
- Question #f6450
- Question #eeb9b
- Question #3260e
- Question #20ee7
- What is the period of #sin^2(x)# ?
- Question #2d450
- Question #2e462
- Question #d1fdf
- Calculate Cn and Sn?
- Question #cf198
- Question #f154e
- Question #8bdb3
- Question #10453
- Question #b5428
- Question #18dda
- If #sinx =1# then #sin3x = ?#
- Question #4acb5
- Am I allowed to open these brackets of t the angle?
- What is the exact value of #(7pi)/12#?
- Question #398ef
- Which Law of Sines applies to this?
- How do you prove that #\frac { \cos 7x + \cos 5x } { \sin 7x - \sin 5x } = \cot x#?
- How do you simplify #(sinxcosx)/(1-sin^2x)#?
- Question #07db8
- Question #e6ea2
- Question #8cd79
- How do you prove #sec^2x-2secxcosx+cos^2x=tan^2x-sin^2x# ?
- Question #dd6b9
- ( cos(3A )- cos(A ))/( (sin(3A ))+ sin(A )) equivalent to?
- Question #18733
- Question #fe8b2
- Solve #12sin^2x+7cosx-13=0# for the range #360^o<=x<=540^o#?
- Question #d07bf
- Question #90e09
- Question #ad61b
- Question #37647
- Question #9158c
- Question #0299e
- In triangle ABC , if the sides are a=3, b =5 and c = 4, then sinB/2 +cosB/2 ?
- Question #858db
- Find the domain of function f and its inverse function f^(-1)? f(x)=5cotx-4
- Question #858a2
- Question #24674
- Question #527e2
- Prove that #(1+sin2A+cos2A)/(1+sin2A-cos2A)=cotA#?
- Question #47e56
- How do you prove this identity?
- Question #84f42
- A rally car drives #85km# along a road from #A# and #B#, on a bearing #029degreesT#. The car then travels #58km# along a road to #C# on a bearing #153degreesT#?
- If tanA = t, find sec A in terms of t?
- Simplify #sin(9A)+sin(5A)#?
- Question #509d0
- Question #c208c
- Question #a241c
- Question #69b19
- Question #186a7
- Question #9162b
- Question #2cf23
- Cos(20°)cos(40°)cos(80°) = ?
- Question #0a751
- Question #82a86
- Question #39d7c
- Solve the equation #sin(x+pi/4)−cos(x)=0#?
- Question #3534f
- Question #03833
- If #cos(x)cos(x-60°)=1-(n/6)#, so n = ?
- Question #1f842
- How do you solve #4\sin ^ { 2} 3x - 1= 0#?
- Question #e7bde
- Question #1415a
- Question #4c35e
- Question #87c2e
- Question #4a0a5
- Question #d720a
- Question #47c1a
- Question #ac2c1
- Question #4141d
- Question #92f06
- Question #40d8c
- Question #242ce
- Question #1e1b5
- Solve #4cos^2x-5sinxcosx-6=0#?
- How do you solve #2\sin x - \cos x = \frac { 3} { \sqrt { 2} }#?
- Question #f2551
- #1/costheta+3sinthetatantheta+4=0# can be expressed as #3cos^2theta - 4costheta -4=0#. Hence solve the equation #1/costheta+3sinthetatantheta+4=0# for #0<=theta<=360# ?
- Question #efa25
- Question #ef759
- Question #2b836
- Question #4d2b7
- Question #1364e
- How do I find #x#: #2 sin x cos x-1=cos2x#?
- How do you simplify with trigo identities #(sinx)/(2tanxsec^2x)# so it can result #1/2cos^3x# ?
- How do you show that inverse tan (1/x) = #pi/2-theta#, given that x is a positive number and #theta# = inverse tanx?
- Question #0e8af
- What is the general solution of #2tan^2 3x-sec3x=1#?
- How do you simplify #\frac { \cos 11^ { \circ } - \sin 11^ { \circ } } { \cos 11^ { \circ } + \sin 11^ { \circ } } #?
- Question #890e1
- How do yo prove that #(1- \sin ^ { 2} \theta ) \csc ^ { 2} \theta = \cot ^ { 2} \theta#?
- How do you simplify #\frac { 1+ \tan ( 2\theta - 45) } { 1- \tan ( 2\theta - 45) }#?
- Question #d1404
- Question #f1264
- How do I find the exact value of #cos ((5pi)/4)+cot((5pi)/3)#?
- If G,D and C are grade, degree and radian of an angle respectively, prove that #(G-D)pi=20C# ?
- Prove that #cos35^@xxtan35^@xxcsc55^@xxcot55^@=1#?
- Question #084dc
- Question #cb64f
- Question #44e15
- Question #991fa
- How do you solve #cosx + 1 = sinx#?
- Question #1f344
- Question #0ef02
- Question #0f6fb
- Question #e0a76
- Question #81727
- Question #8e567
- Question #d4814
- Question #a0b85
- Question #2ca78
- Question #97b1d
- Question #63391
- Question #58dad
- Question #7eeef
- Question #6b299
- Question #80565
- (sin(x)+tan(x))/tan(csc(x)+cot(x)) express as a single trigonometric function?
- Question #6d2b8
- Question #ce72b
- #(sec(x) + csc(x))/(1+ tan(x))# express in one trigonometric function?
- Question #292bd
- Question #75a89
- Question #5cf62
- Question #a45fe
- Question #004aa
- Question #cbd29
- Question #d85ec
- How do you simplify #\tan (\cos ^{-1}(-\frac{\sqrt{3}}{2}))#?
- Question #38c7a
- Question #2bde7
- Question #7143e
- Solve #cos(cos(cos(x)))=sin(sin(sin(x)))# ?
- Sec(sin^-1(-1/5)) Give value?
- Solve for #cos(x)#, when #sin(x)=2/3# and #0^