9,261 Answered Questions for the topic trigonometry

Trigonometry Math Precalculus

04/09/22

Find the angle and length in a given scenario
You are going to install a wheelchair ramp over a straight, horizontal path that runs from the sidewalk to your deck. Your deck is 1.5 feet higher than the path and you want the grade of the ramp... more
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Trigonometry

04/09/22

4sin2theta cos2theta +(5)/(cos2theta )=(13sin2theta )/(cos2theta )
4sin2theta cos2theta +(5)/(cos2theta )=(13sin2theta )/(cos2theta )
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Trigonometry Math Precalculus

04/09/22

simple harmonic motion: ferris wheel
A person is seated on a Ferris wheel of radius 100 ft that makes one rotation every 30s. The center of the wheel is 105 ft above the ground.a. What is the function that represents the person’s... more
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Trigonometry Math Precalculus

04/09/22

situational problems involving circular functions: periodic motion
A mass is suspended from a spring. The spring is compressed a distance of 6 cm and released. It is observed that the mass returns to the compressed position after 2/3 seconds. How high is the... more
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Trigonometry Math Calculus Derivative

04/08/22

The height, h, of the piston in a car engine is given by h = sin x + √(16-cos^2), where 𝑥 is the angle of rotation of the crankshaft. Determine a formula for the velocity of the piston.
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Trigonometry

04/05/22

Prove that (sec^2 a)/(sin^2 a) = csc^2 a +sec^2 a
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Trigonometry

04/05/22

Is the answer cosα+sinαtanβ
Which of the following is equivalent to cos(α+β)/cosβ for all values of α and β for which cos(α+β)/cosβ is defined?cosαcotβ+sinαcosαcotβ−sinαtanαcosβ−sinβcosα−sinαtanβcosα+sinαtanβ
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Trigonometry

04/05/22

Which one applies?
Which of the following is equivalent to cscαsin(α−β)  for all values of α and β for which cscαsin(α−β) is defined?sinαcotβ−cosαcosβ+tanαsinβcosαcotβ−sinαcosβ−tanαsinβcosβ−cotαsinβ
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Trigonometry Math Periodic Functions

04/05/22

height of bike reflector as function of time
Here is the problem:A reflector on a bicycle wheel is 15 cm from the rim. The diameter of the wheel is 76 cm. At t=0.5 seconds the reflector is at its lowest point, 0.75 seconds later it returns to... more
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Trigonometry

04/05/22

Use your graphing calculator to find all radian solutions in the interval 0 ≤ x < 2𝜋 for each of the following equations. Round your answers to four decimal places.
8 sin x - 5= 0
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Trigonometry

04/05/22

Find all solutions, to the nearest tenth of a degree, in the interval 0° ≤ 𝜃 < 360°.
7 sin2 𝜃 - 2 sin 𝜃 = 5
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Trigonometry

04/05/22

Find all solutions for the following equations. Write your answers in radians

sin 2x cos x + cos 2x sin x = -1
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Trigonometry

04/05/22

Find all solutions for the following equations. Write your answers in radians using exact values.
cos 2x + 3 cos x = -2
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Trigonometry

04/05/22

Solve the following equations for x if 0 ≤ x ≤ 2𝜋
4-4 tan(3x+1)=16
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Trigonometry

04/05/22

Solve the following equations for x if 0 ≤ x ≤ 2𝜋
-2 + 10 sin (x-1) = 5
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Trigonometry

04/05/22

Find all solutions in the interval 0° ≤ 𝜃 < 360°
tan 2𝜃 =-1
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Trigonometry

04/05/22

Find all solutions in the interval 0° ≤ 𝜃 < 360°
4 cos 2𝜃 - 2 sin𝜃= 3
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Trigonometry

04/04/22

Express sin(x+y)
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Trigonometry

04/04/22

Express sin(x+y)
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Trigonometry

04/04/22

Trig Question I cant figure out how to solve!
If   cosα=0.558   and   cosβ=0.858   with both angles’ terminal rays in Quadrant-I, find the values of(a)cos(α+β)= (b)cos(α−β)=(a)cos(α+β)= Incorrec(b)cos(α−β)=
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Trigonometry

04/04/22

Find all solutions in the interval 0° ≤ 𝜃 < 360°
4 cos 𝜃 - 3 sec 𝜃 =0
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Trigonometry

04/04/22

Find all solutions in the interval 0° ≤ 𝜃 < 360°
tan 𝜃 + 2 cos 𝜃 tan 𝜃 =0
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Trigonometry

04/04/22

Find cos x if 2x= 1/2
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Trigonometry

04/04/22

Find Sin 2A and Sin A/2
If sec A=37 with 0° ≤ A ≤ 90°
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Trigonometry

04/04/22

Find cos 2a and cos A/2
If sin A= − 65/65 with 180° ≤ A ≤ 270°
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