482 Answered Questions for the topic Trig

3 tan^2 7x = 1

How many answers would you expect this equation to have on [0,2π)? Explain why.

3 tan^2 7x = 1

How many answers would you expect this equation to have on [0,2π)? Explain why.

1d

Please help !!!

The angle of elevation to the top of a building in New York is found to be 9 degrees from the ground at a distance of 1 mile from the base of the building. Based on this information, the height of... more

1d

please help :)))

A 23-ft ladder leans against a building so that the angle between the ground and the ladder is 80 degrees. The height of the ladder reaches up the side of the building is ( ) feet. Round to... more

cos(2theta)=sin(theta)

solve the following 0<(or equal to) theta<2pi

Tan(theta)sec(theta)+2Tan(theta)=0

solve the following 0<(or equal to) theta<2pi

6d

please simplify to an expression involving a single trig function with no fractions.

1 - sin2(t) / sin2(t)

write the given product as a sum. You may need to use an Even/Odd Identity. cos(2θ) cos(6θ)

i have the answer and the answer is cos(4θ)+cos(8θ) /2 and they are both over 2 i just have no clue how to show my work any help would be amazing thx

If sec ( x ) = 15/11 (in Quadrant-I), find cos ( 2 x ) =

can you find the answer to 4 decimals? any help is awesome :)

16d

Please help :))

if cos(o) = - sqrt (3) / 2 and o is in the 3rd quadrant, find sin (o)

trigonometry right triangle

Note: Triangle may not be drawn to scale.Suppose a = 9 and b = 10.Find an exact value for each of the following trig functions.sin(A) =    cos(A) =    tan(A) =    sec(A) =    csc(A) =    cot(A) =  

trigonometry homework help

A truck leaves its present location and travels along a bearing of N42°W for 40 miles.How far North and West of its original position is it? Round your answers to two decimal places.North; _______... more

18d

trigonometry homework help

Find the exact value of csc(300∘) using the 3 step process discussed in the lecture notes. 1.) Find the reference angle (degrees):    .2.) Apply the trig function to the reference angle:  csc(____)... more

18d

trigonometry hw help

Given secθ= √17/4 and tanθ<0 find the exact value of the other five trigonometric function values using square roots and fractions as necessary.

18d

trigonometry hw help

Given tan(θ)=12/5 and  π <θ<3π/2 find the exact value of the other five trigonometric function values. Write your answers as fractions. All sides are integers. Simplify square roots. If you... more

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