9,261 Answered Questions for the topic trigonometry

Trigonometry Math Algebra 1 Algebra 2

03/03/23

I NEED THIS ASAP PLEASE!

In 1790, Ben Franklin left $4000 with instructions that it go to the city of Philadelphia in 200 years. It was worth about 2 million at that time. Approximate the annual interest rate for the growth.
Trigonometry Math Precalculus

02/28/23

Write an equation for the sine wave.

The x axis is in milliseconds. The y axis is measured in volts. Make conversions to write the period in seconds.
Trigonometry Math Algebra 1 Algebra 2

02/26/23

Please I need the answer to this, it would be greatly appreciated.

A specific radioactive substance follows a continuous exponential decay model. It has a half-life of 21 minutes. At the start of the experiment, 34.7g is present.(a) Let t be the time (in minutes)... more
Trigonometry Math Algebra 1 Algebra 2

02/25/23

find an angle between 0 and 2π that is coterminal with -7π/5

I need this ASAPany help would be super appreciated
Trigonometry Math

02/24/23

What is the cosine function for a period of 6 and a maximum of 3 at x=-2 and a lowest point of -1?

Hello, I would kind of need a detailed solution here since I'm advance studying for our trigonometry class thank you!
Trigonometry

02/24/23

Find each angle measure to the nearest degree. sin V = 0.9336 sin Z= 0.4540 tan B = 1.9626 sin C = 0.3090

Find each angle measure to the nearest degree.sin V = 0.9336sin Z= 0.4540tan B = 1.9626sin C = 0.3090
Trigonometry Math Precalculus

02/23/23

We know that sin^2 Θ+ cos^2 Θ = 1. Divide both sides of the equation by sin^2Θ and simplify to find another Pythagorean Identity.

Can I also have an example problem for practice?
Trigonometry

02/23/23

please help I do not get this

An object is thrown upward at a speed of 51 feet per second by a machine from a height of 3 feet off the ground. The height  of the object after t seconds can be found using the... more
Trigonometry Precalculus

02/20/23

Solve for Trigonometric expression

A guy wire 1832 feet long is attached to the top of a tower. When pulled taut, it touches level ground 843 feet from the base of the tower. What angle does the wire make with the ground? Express... more
Trigonometry Precalculus

02/20/23

Solve for Trigonometric expression

A guy wire 1832 feet long is attached to the top of a tower. When pulled taut, it touches level ground 843 feet from the base of the tower. What angle does the wire make with the ground? Express... more
Trigonometry Calculus

02/19/23

Trigonometry and Integrals

Let n be a positive integer at least 3 in value, and let In=∫1/cos^n(x) dx. Use integration by parts to obtain that In = (n-2/n-1) × In-2 + 1/n-1 + sin(x)cosI-n(x)
Trigonometry

02/19/23

If cot 𝜃 =−20/21 and sin𝜃 <0, what Quadrant is 𝜃 in? If cot 𝜃 =−20/21 and sin𝜃 <0, use a Pythagorean identity and your answer to the previous question to determine sec𝜃.

its two separate questions , and we must use the Pythagorean identity for the second question only
Trigonometry Calculus

02/19/23

Integrals and Trig Functions

Deduce that ∫1/cos(x) dx is equal to both 1/2 ln(|1+sin(x)/1-sin(x)|) + C and ln(|sec(x) +tan(x)|) +C Deduce that ∫1/cos^2(x) is equal to tan(x) + C
Trigonometry Precalculus

02/19/23

someone explain…

in  the triangle the length of side b is 7 the m<A= 60 .find the exact length of a and c. Exact means that you cannot give a decimal. You will need to give either an integer, a fraction or a... more
Trigonometry

02/19/23

Trigonometry Story Problem

To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle of 73° from the horizontal. An observer 734 m away measures the angle of elevation to the spot... more
Trigonometry Math Precalculus

02/18/23

Solve the equation secx cscx = 2secx

Trigonometry

02/18/23

At what points will the line y = x intersect the unit circle x^2 + y^2 = 1?

Trigonometry Math Precalculus

02/18/23

Solve the equation sine[Arccos 2/7]=

Please show step by step solution and explanation.
Trigonometry

02/18/23

If sec 𝜃 =2 and csc𝜃 <0, find (a) sin(2𝜃) (b) cos(2𝜃) (c) tan(2𝜃)

can you do step by step please?
Trigonometry

02/17/23

Given the function value and the quadrant​ restriction, find theta

cosθ=-0.8910interval: (90°,180°)

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