# Algebra Maths.

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Check the attached document for all the questions.

Find the exact value of cos 480°. Use a double-angle identity. a. 1

b.

c. 0 d. −1

Identify the amplitude and period of this function: y =

tan (2 )x.

n is an integer, ,2

none because no maximum or minimum value exist; none because no maximum or minimum value exist;

____ 3.

Find the measure of x to the nearest tenth.

1. 36.5°
2. 52.4°
3. 91.1°
4. 79.3°

Solvethisequationfor0≤θ≤ : sinθ– =0. a.

b. c. d.

____ 4.

____ 5.

Find the exact sine value of −30° a.

b. c. d.

− −

____ 6.

Find the maximum value of this function:

a. 6 b. 0 c. 5 d. 8

Find the exact value of cos 22.5° . Use a half-angle identity. a.

b.

c. d.

____ 7.

____ 8.

____ 9.

Identify the amplitude and period of this function: y = 3 cos θ.

1. 2,3
2. 6,2
3. 3,
4. 3,2

Name two different times when the hands of a clock show an angle of

1. 1:00, 11:00
2. 2:00, 10:00
3. 3:00, 9:00
4. 4:00, 8:00

____ 10.

Find the measure of x to the nearest tenth.

wolfram777
School: UT Austin

Hello, here are the answers.A couple of answers may go wrong because some of the questions had incorrect ...

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