9,261 Answered Questions for the topic trigonometry

Trigonometry Math Precalculus

03/16/23

(sin^2x)(tan^2x)
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Trigonometry Geometry

03/15/23

Let A= (1,3), B=(6,0), and C= (9,9). Find the size of angle BAC.
Let A= (1,3), B=(6,0), and C= (9,9). Find the size of angle BAC.Hint: add x=1 into the diagram and think about how to draw in right triangles to solve the problem.
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Trigonometry Math Precalculus

03/14/23

Trigonometry Question

After getting knocked off his boogie board, Randy watches it float up and down on the ocean waves. The board moves 9.6 feet from its low point to its high point, returning to its low point every... more
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Trigonometry Math Algebra 1 Algebra 2

03/14/23

I NEED THIS SOON IT WOULD BE GREATLY APPRECIATED
A cyclist is riding a bicycle whose wheels have a diameter of 24 inches. Suppose he is traveling at 26 miles per hour. (A useful fact: =1mi5280ft.)(a) Find the angular speed of the wheels in... more
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Trigonometry Math Algebra 1 Algebra 2

03/14/23

I NEED THIS ASAP PLEASE
A ceiling fan has 17-inch blades (so the radius of the circular fan is 17 inches). Suppose the fan turns at a rate of 59 revolutions per minute.(a) Find the angular speed of the fan in radians per... more
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Trigonometry Math

03/13/23

Answer the Trig problems
2tan(theta) = x-2 ; Find cos(theta) 2tan(theta) = 5 ; Find cos(theta)
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Trigonometry Precalculus

03/12/23

Quick help?!?!?
evaluate tan(arccsc-1) please show work
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Trigonometry Precalculus

03/12/23

Confused again:( help?

The six trigonometric functions are not invertible. What has to be done to make them invertible
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Trigonometry Precalculus

03/12/23

Explain??????!!!!!
Write an equation for transformed cosine wave that has the following properties 1)amplitude =3 2)period=pi3)horizontal shift=none 4) vertical shift=4 units up
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Trigonometry

03/10/23

find the function values

sin2π⁄12
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Trigonometry

03/10/23

express the given quantity in terms of sin x and cos x
evaluate cos π⁄12
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Trigonometry

03/09/23

graph the functions, what is the period of each function?
cos(x - π⁄2)
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Trigonometry

03/08/23

The terminal side of an angle theta in standard position passes through the point (-5,-2). Use the figure to figure out the following value. Tan theta
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Trigonometry

03/08/23

The terminal side of an angle theta in standard position passes through the point (-4,-6). Use the figure to figure out the following value. Cos theta
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Trigonometry

03/08/23

A right triangle has side lengths 9, 40, and 41 as shown below. Use these lengths to find sinM, tanM, and cosM
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Trigonometry

03/08/23

Find the height of a building which casts a 30-meter horizontal shadow when the angle of elevation of the sun is 60°?
Complete computation with Pythagorean theorem
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Trigonometry

03/07/23

One of sin x, cos x, and tan x, are given. Find the other two if x lies in the specifed interval.
Tan x = 1/2 X ∈ ( π , 3π/2 )
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Trigonometry Math Precalculus

03/07/23

simplify tanx sinx(cos^2x cscx - sinx)
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Trigonometry

03/06/23

Right Triangle Trigonometry

What is the exact length of the base of the triangle, y?What is the exact height of the triangle, x?What is the exact area of the triangle? Leave your answer in radical terms.What is the area of... more
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Trigonometry Math Calculus Precalculus

03/06/23

Precalc 2 Homework
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 44 and 56 degrees during the day and the average daily temperature first... more
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Trigonometry Math Calculus Precalculus

03/06/23

Precalc 2 Homework
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 67 degrees occurs at 6 PM and the average temperature for the day is 55 degrees.... more
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Trigonometry

03/03/23

simplify 1-tan^2x/1+tan^2x
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Trigonometry

03/03/23

If cosx= -1/2 for 90degrees<x<180degrees, calculate cosx/sinx
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Trigonometry Math Algebra 1 Algebra 2

03/03/23

This is copied exactly from the teacher. I know it's probably not realistic, it's just a problem. I need this answer ASAP please
A soup with an internal temperature of 350F was taken off the stove to cool in a 71F room. After 15 minutes, the internal temperature of the soup was 175F. a) Use Newton's Law of cooling to write a... more
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Trigonometry Math Algebra 1 Algebra 2

03/03/23

I REALLY NEED HELP ON THIS ASAP PLEASE!
The equation N(t)= 1200/1 + 199e-0.625t models the number of people in a school who have heard a rumor after t days. a) How many people started the rumor? b) To the nearest tenth, how many days... more
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