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Trigonometric Expressions and Equations

Last updated almost 5 years ago

11 questions

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Question 1

1.

Given the information below, evaluate cos x.

Question 2

2.

What is equivalent to this expression?

Question 3

3.

Use fundamental identities to simplify the expression below and determine which of the following is not equivalent.

Question 4

4.

What is equivalent to the given expression? (Hint: think conjugate)

Question 5

5.

Verify the identity. (Since this is new, take a picture of your work with your phone and use the image icon to upload below).

Question 6

6.

Solve the following equation. Show answer as x =

Question 7

7.

Find all solutions of the following equation in the interval [0, 2\pi). Show answer as x =

Question 8

8.

Find the exact value of the given expression using a sum or difference formula.

Question 9

9.

Find the eact value of cos(u + v) given the following. (Both u and v are in Quadrant II).

Question 10

10.

Find all solutions of the following equation in the interval [0, 2\pi). Show answer as x =

Question 11

11.

Find the exact solutions of the given equation in the interval [0, 2\pi). Show answer as x =