9,261 Answered Questions for the topic trigonometry

Trigonometry

07/26/21

How would i go about creating and solving this sinusoidal function
As you ride the London Eye (a Ferris wheel), your distance from the ground varies sinusoidally with time. You are the last seat filled and the wheel starts immediately. You find that it takes you... more
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Trigonometry

07/25/21

If the water must be at least 3m deep to dive safely, when during the daylight hours would it be safe to dive off the dock?
The water at a local beach has an average depth at high tide of 8m. One cycle of the tides takes approximately 12 hours. This periodic motion can be modelled by the function d(t)=3.5cos[π/6 t] +... more
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Trigonometry Math Algebra 1 Geometry

07/25/21

Find the period, phase shift, and amplitude of the function. y=3sin(3x-pi/5)+2 Give the exact values, not decimal approximations.
I NEED HELP WITH THIS ASAPPeriod:Phase Shift:Amplitude:(These are the things I have to fill out)
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Trigonometry Calculus Precalculus

07/25/21

The following equation cannot be solved by algebraic methods. Use a graphing calculator to find all solutions over the interval​ [0,2π​).
The following equation cannot be solved by algebraic methods. Use a graphing calculator to find all solutions over the interval​ [0,2π​). 4sin2x-x^3+1=0Hi, I understand that I have to set the... more
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Trigonometry Math Algebra 1 Algebra 2

07/25/21

Consider the triangle ABC. Suppose that a=73 b=71 c=3 Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth.
I NEED HELP WITH THIS ASAP PLEASE!!!The triangle is ABCc between ABa between BCb between AC
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Trigonometry Math Algebra 1 Algebra 2

07/25/21

4cosx = -sin^2 x+4
Write your answer in radians in terms of pi
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Trigonometry Math Calculus Precalculus

07/25/21

A circle has a radius of 7 cm. Find the radian measure of the central angle 0 that intercepts an arc of length 4 cm.
I need help with this as soon as possible!!!
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Trigonometry Math Mathematics

07/24/21

Find angle BAC of the triangle ABC with sides AC=22 , AB=20 and BC=17

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Trigonometry Math Calculus Geometry

07/24/21

Let α and β be two acute angles of a right triangle in a unit circle. (Thus α and β are complementary angles.)
 Under what conditions will sin⁡(α)=cos⁡(α)
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Trigonometry

07/23/21

Determine the equation of a sinusoidal function that would model this function, assuming Owen reaches his first maximum at 6 seconds.
Owen is jumping on a trampoline. When his feet hit the deck of the trampoline, the material depresses to a minimum height of 200cm every 10 seconds. Determine the equation of a sinusoidal function... more
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Trigonometry

07/23/21

Determine the equation of a sinusoidal function that would model this situation, assuming Owen reaches his first maximum at 6 seconds.
Owen is jumping on a trampoline. When his feet hit the deck of the trampoline, the material depresses to a minimum height of 200cm every 10 seconds. Determine the equation of a sinusoidal function... more
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Trigonometry Algebra

07/23/21

Trigonometry and Algebra
What is the equation or function for the 1st quadrant only of a unit circle(1/4 of the circle)I know the equation for a semicircle is y=√1-x^2from the x^2+y^2=1 equation
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Trigonometry

07/23/21

Trigonometry (sine function)
Why is the inverse of sine of (0.5/√0.5). The calculator isn't computing. I'm not getting the angle.I thought sine = opposite/hypotenusex=0.5y= 0.5radius= √0.5
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Trigonometry

07/23/21

Complete the table for the function y=5 sin (3x-180^o) - 2
Amplitude Period Phase shift Equation of the axis Max/Min
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Trigonometry Trigonometric Function

07/23/21

Write an equation for the cosine function as described below
Amplitude 4 Period 180 degrees Reflected in the y-axis phase shift 30 degree to the right
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Trigonometry

07/23/21

What is the equation of the Cosine function that describes the frequency of the siren?
A person who was listening to a siren noticed that the frequency fluctuated with time, measured in seconds. The minimum frequency was 500 Hz and the maximum frequency was 1000 Hz. The maximum... more
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07/23/21

Prove the trig identities
3, 9 and 7. Use the above numbers to prove only three of these trig identities.sin x/ 1 + cos x = 1 - cos x/sin x1/ 1 + Cos x = csc^2 x - cot x/sinx x-sin x - cos x cot x= - csc x1 + tan x/ 1 + cot... more
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Trigonometry

07/23/21

Whare are the possible values
If 0^o ≤ θ ≤ 360^o, what are all the possible values of angle θ for the following? a) sin(θ) = -1/√(2) b.) tan(θ) = √(3)
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Trigonometry

07/23/21

determine how far apart
Two friends, Manpal and Jas, start from the same point but ride their bikes down two different paths. The paths meet at an angle of 28°. Manpal rides 25km down his path, while Jas rides 18km down... more
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Trigonometry Trigonometry Functions

07/23/21

Please help to determine the exact length of the wood
To support a new 5m wall in the construction of a home, the carpenters nail a piece of wood from the top of the wall to the floor, with the piece of wood forming the hypotenuse of a right triangle... more
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07/23/21

Prove the following trig identities
3, 9 and 7. Use the above numbers to prove only three of these trig identities.sin x/ 1 + cos x = 1 - cos x/sin x1/ 1 + Cos x = csc^2 x - cot x/sinx x-sin x - cos x cot x= - csc x1 + tan x/ 1 + cot... more
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Trigonometry

07/23/21

How do i determine the exact values of this question
If cos(θ) = -4/5, find ALL the exact values of the other 2 primary trig ratios (sin and tan) and all possibleapproximate values of θ (to the nearest degree), when 0^o≤ θ ≤ 360^o.
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Trigonometry Trigonometric Function

07/23/21

How do I determine the exact length of wood in this question please!?
To support a new 5m wall in the construction of a home, the carpenters nail a piece of wood from the top of the wall to the floor, with the piece of wood forming the hypotenuse of a right triangle... more
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07/22/21

What would be the axis of the curve for f(x)=sinx and f(x)=cosx?
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Trigonometry Math Trig Grade11

07/22/21

Solve this equation for 0° ≤ 𝜃 ≤ 360°. 2𝑐𝑜𝑠𝑥 − √3 = 0
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