9,261 Answered Questions for the topic trigonometry

Trigonometry Math Calculus Precalculus

06/15/21

As the value of θ increases from 0 to π/2 , which of the following are true?
sinθ decreases from 1 to 0 tanθ increases from 0 to infinity cos decreases from 1 to 0
Follows • 1
Expert Answers •1
Trigonometry Math Calculus Precalculus

06/15/21

What point on the unit circle corresponds to t=(5π)/3 ?
Follows • 2
Expert Answers •1
Trigonometry Math Calculus Precalculus

06/15/21

If sinθ<0 and cosθ>0 , then the terminal side of θ must be in which quadrant? In which quadrant(s) must the terminal side of angle θ lie if the product of sinθ and tanθ is positive?
Follows • 1
Expert Answers •1
Trigonometry Math Calculus Precalculus

06/14/21

Which angle is coterminal with the angle (-17π)/3 on the interval [0, 2π)

Follows • 1
Expert Answers •1
Trigonometry Math Calculus Precalculus

06/14/21

For each of these angles, determine the quadrant in which it terminates, its reference angle, and one positive and one negative coterminal angle
A. 1120° B. (5π)/3C. (-17π)/6D. -480° 
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

I'm confused how is -2+3i in polar form square root 13 (cos 2.159+ i sin 2.159)
Follows • 1
Expert Answers •2
Trigonometry

06/13/21

Can you answer this? Are these vectors orthogonal or not? u=6i-4j and v=2i+3j
Are these vectors orthogonal or not? u=6i-4j and v=2i+3j
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

Use the diagram to help you name an angle between 0 degrees and 360 degrees that is coterminal with the angle -135 degrees.
Use the diagram to help you name an angle between  and  that is coterminal with the angle 
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

Find x so the distance between (x,4) and (1,8) is 2 square root of 5.
Find x so the distance between  and  is .
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

find the degree
The angle between 0∘ and 360∘ that is coterminal with the −1328∘ angle is  ----- degrees.
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

Problem Question
Amber wants to see the village on the other side of a 9-foot wall. She can do this if she will place a 7-foot ladder such that the top of the ladder is 6 ft. high up the wall. a) If she is to... more
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

Math Explanation and Solution
In a flooded area, Cora is stranded at a point 70° west of north with respect to the central base of rescue operations. The nearest rescue boat is docked 40° east of north with respect to the... more
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

Math Solution and Explanation
At 9am, a certain boat left a port in the direction of 50° east of north and maintains a speed of 90kph. At that same time, another boat left the same port in the direction of 30° east of south.... more
Follows • 1
Expert Answers •1
Trigonometry

06/13/21

Please clarify how 3-4i in polar form is 5(cos 5.356 + i sin 5.356)
Follows • 1
Expert Answers •1
Trigonometry

06/12/21

white the equation
Write the equation of the circle centered at (5,−6) that passes through (−5,8).
Follows • 0
Expert Answers •3
Trigonometry

06/12/21

3-4i in polar form provide steps please.

Follows • 1
Expert Answers •1
Trigonometry Trig

06/11/21

If θ is an angle in standard position and its terminal side passes through the point (4,3), find the exact value of sin theta in simplest radical form.
Follows • 1
Expert Answers •1
Trigonometry Trig

06/11/21

Given cos theta= 2/3 and angle theta is in Quadrant I, what is the exact value of sin theta in simplest form? Simplify all radicals if needed.
Follows • 1
Expert Answers •1
Trigonometry

06/11/21

Trigonometric Ratios
What trigonometric ratio corresponds to the ratio of the side adjacent to the acute angle in a right triangle to the side opposite to it?​ Please explain your answer.
Follows • 1
Expert Answers •1

06/11/21

Given the quadratic function f(x)=6x^2+5x
Given the quadratic function f(x)=6x^2+5xCompute f(a+h) − f(a)=______Assuming h≠0, compute f(a+h) − f(a)/h = ____
Follows • 1
Expert Answers •1

06/11/21

A person standing 299 feet from the base of a church observed the angle of elevation to the church's steeple to be 50 How tall is the church? (Give your answer to the nearest whole number)
A person standing 299 feet from the base of a church observed the angle of elevation to the church's steeple to be 50 How tall is the church? (Give your answer to the nearest whole number) _____ feet more
Follows • 1
Expert Answers •1
Trigonometry

06/11/21

How do I write the complex number in the complex plane and how do I write it in both polar form and exponential form of -2?

Follows • 1
Expert Answers •1

06/11/21

A box with a square base and no top is to be made from a square piece of carboard
A box with a square base and no top is to be made from a square piece of carboard by cutting 7 in. squares from each corner and folding up the sides. The box is to hold 19663 in3. How big a piece... more
Follows • 1
Expert Answers •2
Trigonometry

06/10/21

How do I write the complex number in the complex plane and how do I write it in both polar form and exponential form of 4-4i? Show steps please.
Follows • 1
Expert Answers •1
Trigonometry

06/10/21

How do I write the complex number in the complex plane and how do I write it in both polar form and exponential form of -3i?
Follows • 1
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.