Answers created by Dean R.

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• What is the value of sin theta given that (5, 12) is a point on the terminal side of theta?
  
• How do you use Heron's formula to determine the area of a triangle with sides of that are 15, 18, and 12 units in length?
  
• What is Heron's formula?
  
• How do you use Heron's formula to determine the area of a triangle with sides of that are 5, 6, and 3 units in length?
  
• A rectangle field is to be enclosed by fencing. In addition to the enclosing fence,another fence is divide the field into two parts,running parallel to two sides.IF 1,200 feet of fencing is available, find the maximum area that can be enclosed?
  
• A fish tank is in the shape of a cube. Each side measures 3 feet. What is the volume of the fish tank?
  
• How do you simplify #sin (2 * arcsin (x))#?
  
• The coordinates of the centroid of a triangle are the arithmetic mean of the x and y coordinates of the vertices. How do you prove this?
  
• What are common mistakes students make with PEMDAS?
  
• How do you find the complement and supplement of #150^circ#?
  
• How do you solve this? Use a double-angle identity to find the exact value of each expression.
  
• Point (w, z) is transformed by the rule ​(w+5, z)​ ?
  
• A triangle has corners at #(5 ,7 )#, #(2 ,1 )#, and #(1 ,4 )#. What is the area of the triangle's circumscribed circle?
  
• What are some examples of capacitors used in circuits?
  
• Who invented Pythagoras theorem?
  
• What is the slope of the line passing through #(-7,2), (-7, -5)#?
  
• How do you use a sum to product formula to find the solution to: sin5x-sinx ?
  
• What is the slope of a line perpendicular to the x-axis?
  
• Two chord PQ and PR of a circle are mutually perpendicular to each other .if the length of the radius of the circle is r cm, let us find the length of the chord QR?
  
• What is the area of a triangle that has sides 9 cm, 10 cm, and 13 cm?
  
• Two corners of an isosceles triangle are at #(8 ,2 )# and #(4 ,3 )#. If the triangle's area is #9 #, what are the lengths of the triangle's sides?
  
• How much higher is the ladder now?
  
• If #A = <2 ,1 ,8 >#, #B = <5 ,2 ,3 ># and #C=A-B#, what is the angle between A and C?
  
• A chord with a length of #8 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle?
  
• What are two lines in the same plane that intersect at right angles?
  
• Cos^2 3pi/8 how do i find the exact value of the trig function with the denominator being a 4? i’m not using half angle formula.
  
• Jake can cut and split a cord of firewood in 6 fewer​ hr(s) than Suzie can. When they work​ together, it takes them 4 ​hr(s). How long would it take each of them to do the job​ alone?
  
• An isosceles triangle has sides #a,# #b,# and #c# with sides #a# and #c# being equal in length. If side #b# goes from #(5 ,1 )# to #(3 ,2 )# and the triangle's area is #8 #, what are the possible coordinates of the triangle's third vertex?
  
• Solve for Θ if? cos(Θ+10')=sin(Θ-15') and 0'≤Θ≤90' a graphical solution is NOT allowed.
  
• How do you convert #3-2i # to polar form?
  
• How do you find the exact value of #sin24# using the sum and difference, double angle or half angle formulas?
  
• How do I solve the equation #cot({5pi}/12-x)+1=0#?
  
• How do you evaluate #arcsin(sin((7*pi)/3))#?
  
• A triangle has corners at #(9 ,7 )#, #(2 ,1 )#, and #(5 ,4 )#. What is the area of the triangle's circumscribed circle?
  
• A triangle has corners at #(3 ,1 )#, #(4 ,9 )#, and #(7 ,4 )#. What is the area of the triangle's circumscribed circle?
  
• How do you simplify #\frac { w ^ { 7} v } { w ^ { 6} v ^ { 5} }#?
  
• How do you find the exact value of #cos68# using the sum and difference, double angle or half angle formulas?
  
• Two lines l and m are perpendicular to line n and p respectively if n and p intersect then prove that l and m also intersect ?
  
• A rectangular room has coordinates Q(2, 2), R (7, 2), S(7, 5), and T(2, 5) on the blueprint. The homeowner wants this room to be 25% larger. What are the coordinates of the new room?
  
• How do you solve the literal equation for y: #y +5x=17#?
  
• Twice the difference of a number and 8 is equal to three times the sum of the number and 3. How do you find the number?
  
• What is the area of the sector of a circle with central angle #(5pi)/2 #...?
  
• A triangle has corners at #(5 ,6 )#, #(4 ,3 )#, and #(2 ,5 )#. What is the area of the triangle's circumscribed circle?
  
• A triangle has corners at #(3 ,8 )#, #(5 ,9 )#, and #(8 ,5 )#. What is the area of the triangle's circumscribed circle?
  
• A triangle has corners at #(4 ,6 )#, #(8 ,9 )#, and #(3 ,5 )#. What is the area of the triangle's circumscribed circle?
  
• A triangle has corners at #(4 ,4 )#, #(8 ,2 )#, and #(3 ,1 )#. What is the area of the triangle's circumscribed circle?
  
• How to find general solution of #costheta=sintheta-1#?
  
• How do you find the value of sin 1.7 csc 1.7 using a trigonometric identity?
  
• Two circles have the following equations: #(x -8 )^2+(y -5 )^2= 9 # and #(x +4 )^2+(y +2 )^2= 25 #. Does one circle contain the other? If not, what is the greatest possible distance between a point on one circle and another point on the other?
  
• Maximum value of 3sin (x+bay/9)+5sin (x+4bay/9) ?
  
• If cosine of x equals (-4/5) and tan of x is greater than 0, the value of sine x is???
  
• Solve each triangle?round answer to the nearest tenth?one number after decimal?
  
• For triangle ABC Show that #sin B cos C + sin C cos B=sin A#?
  
• The legs of a right triangle are 5 and 6 units long. Find the measure of the second largest angle of the triangle. Round your answer to the nearest tenth. Please explain?
  
• How do you find trigonometric ratios of 30, 45, and 60 degrees?
  
• How do you simplify #sin(sin^(-1)x + cos^(-1)x)#?
  
• Prove that Cos α cos (β-α) - sin α sin (β-α) = cos β?
  
• How do you solve for the unknown lengths and angle measures of triangle ABC where angle C = 90 degrees, a = 72 and angle A = 59?
  
• How do you solve #cos^2 theta-sin^2 theta +sin theta=0#?
  
• How do you solve #sin^2 x - sin x = 1# over the interval #[0, 2pi]# ?
  
• A triangle has vertices at #A(a,b )#, #C(c,d)#, and #O(0,0)#. What are the endpoints and length of the perpendicular bisector of AC ?
  
• The equations of two sides AB and AC of an isosceles triangle ABC are x + y = 5 and 7x - y = 3 respectively. Find the equations of the side BC is the area of the triangle is 5 sq. units?
  
• How to determine the number of solutions in a linear system without solving: 3x - 6y = 9 and y = 1/2x - 3/2?
  
• A famous television star, unwilling to give out his age, posed the following problem to a magazine reporter. "I have a dog called Eight Ball. Four years ago I was eleven times as old as Eight ball. Now I am six times as old". How old is the movie star?
  
• What is the value of x ? satisfying
  
• A triangle has vertices A(2,1,6), B(4,7,9), and C(8,5,-6). Determine the area of the triangle. Prove that the triangle is a right angle triangle. ?
  
• Given point (6,8) how do you find the distance of the point from the origin, then find the measure of the angle in standard position whose terminal side contains the point?
  
• # sin(-1230)-cos{(2n+1)π+π/3}=? #
  
• Please explain any one of them in detail? Thanks!
  
• Find the exact value? #3-2sin^2x=3cosx#
  
• How would you find the period of #sin^2theta#?
  
• What is sin 360 degrees?
  
• The value of #sin(2cos^(-1)(1/2))# is what?
  
• Convert the measure to degrees, minutes, and seconds. pi/5 rad?
  
• If #sinA + sin^2A=1# and #a cos^12A+ b cos^8A + c cos^6A-1 = 0# then find #(b + c)/(a + b) #?
  
• How do this question? about Vertical launch
  
• I need help with this? The bottom part is cut off but it says A B C and lastly D
  
• A dilation with center (0, 0) and scale factor k is applied to a polygon. What dilation can you apply to the image to return it to the original preimage?
  
• How do we find the term #n^(th)# and sum to #n^(th)# of the following series?
  
• How do you solve the equation #4x^2-28x+49=5# by completing the square?
  
• Theorem / postulate question > two trianges?
  
• A triangle has vertices #A(7 ,6 )#, #B(8 ,3 )# and #C(5 ,1 )#. What are the endpoints and length of the altitude going through vertex C?
  
• In a high school band there are 11 students in the drumline section. The drumline for a football game consists of 6 students. In how many ways can the drumline be formed for a football game?
  
• A fire is spotted 29 degrees west of South. The fire is 58 km from the look out station. A fire fighting base is 62 km due west of the first station. How far is the fire from the fighting base?
  
• How do you use the power reducing formulas to rewrite the expression #cos^4x# in terms of the first power of cosine?
  
• Let them retell the story again? Change the voice
  
• What does #-sec(arccos(7))+2csc(arctan(2))# equal?
  
• The speaker addresses the chair? Change voice
  
• An equilateral triangle with side #s# is "rolled" sideways twice. How far has each vertex traveled, given they travel in a circular arc?
  
• A segment with endpoints (5,8) and (-6,8) is rotated around the origin. How long will the new segment be?
  
• How do you solve # 5y - 2y = 3y + 2#?
  
• Solve cos3x by product rule?
  
• Three more than one-fourth of the sum of a number and one is 2?
  
• How do you write an equation in standard form given a line that passes through (2,6) and (4,1)?
  
• If sides A and B of a triangle have lengths of 6 and 12 respectively, and the angle between them is #(pi)/8#, then what is the area of the triangle?
  
• #(sin10 sin 20 sin40 sin50)/(cos10 cos 20 cos40 cos50)# The value of that?
  
• The center of circle Q has coordinate (3,-2). If circle Q passes through R (7,1), what is the length of its diameter?
  
• Consider 3 equal circles of radius r within a given circle of radius R each to touch the other two and the given circle as shown in figure, then the area of shaded region is equal to ?
  
• What is -9 (x+y)=?
  
• Best Buy was having a special in all their tapes and CDs. Jane was able to buy 4 tapes and 3 CDs for $54. Larry bought 6 CDs and 3 tapes for $78. How much did a CD cost on special?
  
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