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How do you prove cosx/2+sinx/2= 1+tanx/2 ?

What is the frequency of #f(theta)= sin 12 t  cos 5 t #?

How do you find the vertex and intercepts for #f(x) = 10x^2  5x + 12#?

How does one find the exact values of sec, tan, and sin given the angle is in standard position whose terminal sides intersect at (12/37, 35/37)?

How do I solve a sum and difference trig equation for the smallest positive solutions?

How do I solve sec(2x)7=0 for the four smallest positive solutions?

How do I solve for the two smallest positive solutions for:
sin(2x)cos(6x)cos(2x)sin(6x) = 0.35 ?

Solve equation: (Is my answer correct ?)

Solve equation: (Is my answer correct ?)

If 0*<theta<360*, find all values of theta,
2sintheta = 5costheta?

How do I evaluate sin from cos and use symmetry arguments?

Sin x cosec x/8=?

How do you find two solution to #sin(x) = 1/2#?

Why does sin(90 + angle ) =cos angle because on using above property it should br  cos angle?

How to prove:
cos^2(2x)  sin^2(x) = cos(x).cos(3x)?

How do you sketch the angle whose terminal side in standard position passes through #(9,40)# and how do you find sin and cos?

If tanx= 1/3, cos>0, then how do you find cos2x?

How to prove:
cos^2(2x)  sin^2(x) = cos(x).cos(3x)?

How do you factor and solve #x^22x+3 = 0#?

3(x2)^2 5 what is the vertex?

Solve #2csc^2x = 2sec^2x#?

How do you solve cos 2x − 2 sin2 x = 0 interval (−5, 5]?

How do you solve this system of equations: #3x + 2y \leq  1; x + 4y >  12#?

How do you factor completely #8x^320x^2+6x15#?

#2arctan(1/2)+arctan(1/7)=#?

How do you solve ?

How do you use a calculator to approximate #tan^1(95/7)#?

Shouldn't the answer to this problem be A, not D. Since we are working with the second quadrant, would it be negative... or did I just do it completely wrong?
Thank you so much for your help!

How do you simplify #(\sec \theta + \tan \theta ) ^ { 2}#?

How do you solve #cot^2theta=sqrt3 cottheta# in the domain #0<=theta<=360#?

How do you find the exact values of sin 2u, cos 2u, and tan 2u using the doubleangle formulas?

How do you find the values of #theta# given #csctheta=2#?

How do you find arcsin(1/2) ?

If x belongs to (0,π/2), the number of solutions of the equation sin7x+sin4x+sinx=0?

Solve 5sinθ+2cosθ=5?

Number of solutions of sinx.tan4x=cosx in (0,π) ?

Number of solutions of sin^2θ+3cosθ=3 in [π,π] ?

Given that #sin theta cos theta =7/50# and #0^0 < theta < 90^0#. Find the value of #cos theta#.?

Solve:4cosθ3secθ=2tanθ?

The general solution of equation sinx+sin5x=sin2x+sin4x is?

How do you find cos 11pi/12?

If I have a triangle where #cos u = 5/7# and #sin u >0#, how do I find the sine, tangent, cotangent, secant, and cosecant of the angle u?

Solve: tan²θ(1+√3)tanθ+√3=0?

How do you find all values of #theta# for which #sec(theta)=2# where #0^° < theta < 540^°#?

If 2cos²(π+x)+3sin(π+x) vanishes then the values of x lying in the interval from 0 to 2π is x=π/6 or 5π/6. Explain how?

Give 2 co terminal angles and the reference angle for 215?

How do you use the halfangle identity to find the exact value of Cos(22.5)?

What is the answer of 1cot²a=?

How do you solve #2sin2xcos2x#?

How do you solve #2cos^2x+cosx 1=0# for #0<=x<=2pi#?

How do you evaluate #csc^1(sqrt2)# without a calculator?

Solve cos θ+sin θ=cos 2θ+sin 2θ?

Solving trigonometric equations: Give the two smallest solutions of cos(5theta)=0.1495, on [0,2pi). Where do I begin?

How do you write an equation of the sine function with amplitude of 3 and period of 4pi over 5?

The point #(3 1/2, 7 3/4)# is on the terminal side of an angle in standard position, how do you determine the exact values of the six trigonometric functions of the angle?

If sin theta =4/5& theta is not Frist quadrant ,find the value of cos theta?

Solve #sin^2(x)=cos(x# )for all solutions 0≤x<2π. Ask for X? Give your answers accurate to 2 decimal places, as a list separated by commas

How do you find all solutions to sin (2x + 1) = 0.2?

How do you find the general solutions for #cos(x) = 0.6#?

How do you find the coordinates of the terminal points corresponding to the following arc length on the unit circle: 9π/4?

How would I solve this?
2sin^2 x  cos(x + pi/2)  1 = 0 for pi < x < pi

If #sin theta = 1/4#, theta in quadrant 2, how do you find the exact value of #sin(theta  pi/3)#?

If Tan(x) = 2, and 0 < x < 2pi, find the exact value of Sin(x + pi/4)?

How do you evaluate sin(arccos 3/4)?

What is the value of sin theta given that (5, 12) is a point on the terminal side of theta?

6x^210x16=0?

How do you graph the inequality #2y>=x3#?

How do you find the reference angle for #(theta) = 300#?

How do solve the equation? (Find all solutions of the equation in the interval
[0, 2π).
sin(2x) − sin(x) = 0

Use the producttosum formulas to rewrite the product as a sum or difference.
9 cos(−9β) sin 5β?

Find the exact value of the trigonometric expression given that
sin(u) = − 3/5, where 3π/2 < u < 2π, and cos(v) = 15/17,
where 0 < v < π/2. ?
cos(u−v)

Find the exact values of the sine, cosine, and tangent of the angle.
11π/12 = 3π/4 + π/6.
how will I determine
Sin 11π/12, Cos 11π/12, and Tan 11π/12?

X^2+8x+1<0
Inequality questions
What will be the answer ?
Plz tell

What is #sin(2 arcsin(3/5))#?

Possible solutions as exact values for #cos theta=1/sqrt(2) # ?

How to solve #tg^2x(1+sqrt3)tgx+sqrt3<0#?

How to solve #sin3x<sinx#?

Use the fundamental identities to simplify the expression. Please, someone, help me?
1 − cos2 x / sec2 x − 1

Please, how do I factor the expression? Use the fundamental identities to simplify, if necessary.
1 − 2 cos2(x) + cos4(x)?

How do I solve #sinxsqrt3sin3x+sin5x<0#?

How do you solve #4cos(t)=3 #?

Please, can anyone help me with this help to solve this question?.
Verify that each xvalue is a solution of the equation.
3 tan^2(5x) − 1 = 0.
(a) x = pi/30
(b) x =5pi/30

Sinxcosx=1/2√2?

What is the vertex form of #y=3x^2+4x+1#?

How do you solve #2x²x+8=0#?

How do you find the zeros, real and imaginary, of #y=5x^23x+29# using the quadratic formula?

Find the value of cos11π/12?

How to solve #1+2cos^2(x+pi/6)=3sin(pi/3x)#?

How do you simplify #cot (3π/2  a)#?

Solve the equation #secx=1+tanx#?

What is the period of #f(t)=sin( t /13 )+ cos( (13t)/24 ) #?

1+tan^2x/2tanx=?

How do you do (sin^4x  sin^2x cos^2x + cos^4x) ?

How do you find the exact values of the six trigonometric function of #theta# if the terminal side of #theta# in the standard position contains the point (5,8)?

How to solve #cos(pi/4x)=sin(pi/6+x)#?

How do you solve #4x^2+17x+15=0#?

How do you sketch the angle whose terminal side in standard position passes through (8,15) and how do you find sin and cos?

The point #(4,1)# is on the terminal side of an angle in standard position, how do you determine the exact values of the six trigonometric functions of the angle?

Sin (alpha540°) Explain and Answer The Value?

If #0 < x < phi# , prove that : #sin (x/2) = sqrt((1cos x)/2)# ?

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