9,261 Answered Questions for the topic trigonometry

Trigonometry

06/09/22

Angle of depression
From the top of a building the angle of depression of the top and the base of a flagpole is 20 degrees and 43 degrees respectively the flagpole is 12 meters away from the base of the building than... more
Follows • 2
Expert Answers •1
Trigonometry

06/08/22

Express (1- 3sin^2 θ) (1- 4cos^2 θ) in terms of cos 2θ.
Follows • 1
Expert Answers •1
Trigonometry

06/08/22

Let the angle θ satisfy sin 2θ=-4/5 and (3π/4)<θ<π . Find the value of: P=sin θ - cos θ
Sidenote: Please explain your answer step-by-step, thank you! ^^
Follows • 1
Expert Answers •2
Trigonometry

06/08/22

Let the angle θ satisfy sin 2θ=4/5 and (3π/4)<θ<π . Find the value of: P=sin θ - cos θ
Sidenote: Please explain your answer step-by-step, thank you! ^^
Follows • 1
Expert Answers •2
Trigonometry

06/08/22

find the common ratio

find the common ratio of an infinite geometric series with the given sum and first term s=18 a1=9
Follows • 1
Expert Answers •1
Trigonometry

06/07/22

graph f(x)=cos1/2x on the interval (-2pi,2pi)
Follows • 1
Expert Answers •1
Trigonometry

06/07/22

graph f(x)=cos1/2x on the interval (-2pi,2pi)
Follows • 2
Expert Answers •1
Trigonometry

06/07/22

Express cos4θ in terms of sinθ.
I'm kind of stuck with this. My initial plan was to go from cos4θ to cos(2θ+2θ), which that wasn't ended well for some reason.Sidenote: Please explain your answer, thank you!
Follows • 1
Expert Answers •1
Trigonometry Math

06/06/22

The following parametric equations model the flight of the baseball
A baseball is hit from a height of 3 feet at a 60° angle, with initial velocity 64 feet per second. The following parametric equations model the flight of the baseball:𝑥 = 32t𝑦 = −16𝑡 2 + 32√3 𝑡 +... more
Follows • 1
Expert Answers •2
Trigonometry

06/06/22

The hypotenuse of a right triangle is 10 cm long. The shorter leg is 2 cm shorter than the longer leg. Find the side lengths of the triangle

Follows • 1
Expert Answers •1
Trigonometry

06/05/22

What's the maximum value (M) and the minimum value (m) of the expression P=1-2|cos3x|?
A. M = 3; m = -1.B. M = 1; m = -1.C. M = 2; m = -2.D. M = 0; m = -2.Sidenote: Please explain your answer. Thank you!
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

if tan t = 3/4 and pi<t<(3*pi)/(2), find sin t, cos t, sec t, csc t, cot t. enter the exact answers
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

Which of the following is NOT equivalent to 1?
A. (sin x + cos x)^2 - sin (2x)B. 2 (sin x)^2 + cos (2x)C. cos (2x) - 2 (cos x)^2D. 8 (sin x cos x)^2 + cos (4x)
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

If cos A = 3/5 and the terminal side of angle A lies in quadrant IV, then find tan (A/2)
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

If sin x = 1/5 and cos x < 0, find sin (2x)
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

Which of the following expressions makes an identity when equated to tan (x/2)?
A. + or - sqrt[(1 + cos x) / (1 - cos x)]B. (1 + cos x) / (sin x)C. (sin x) / (1 - cos x)D. csc x - cot x
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

If the terminal side of angle A lies in quadrant III, then sin (A/2) equals
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

The expression [(csc A sec A) / 2] can be simplified into
Follows • 1
Expert Answers •1
Trigonometry

06/04/22

If sin A = -4/5 and cos A < 0, then the terminal side of angle (2A) lies in quadrant
Follows • 1
Expert Answers •2
Trigonometry Precalculus

06/03/22

Using law of sines how do you find the measure of angle L?
Triangle KML Angle K is 25°The line from K to M is 45 yardsThe length from M to L is 20 yardsWhat is the measure of angle L?
Follows • 0
Expert Answers •1
Trigonometry Precalculus

06/02/22

Solve the following for cos^2 theta:
sin2 theta + cos2 theta = 1.
Follows • 1
Expert Answers •1
Trigonometry Precalculus

06/02/22

Solve the following for tan^2 theta.
1 + tan^2 theta = secant^2 theta.A. Tan2 theta = secant2 theta + 1.B. Tan2 theta = secant2 theta - 1.C. Tan theta = secant theta - 1.D. tan2 theta = opposite/adjacent.
Follows • 1
Expert Answers •1
Trigonometry Precalculus

06/02/22

What is 1 + tan^2x equal to?
Follows • 1
Expert Answers •1
Trigonometry

05/31/22

If cos x = 1/4 and cos x < 0, find csc (x/2).
Follows • 1
Expert Answers •1
Trigonometry

05/31/22

If cos x = −1/4 and csc x < 0, find cot (x/2).
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.