Questions on trig

Reduce sin(60° + θ) − sin(60° − θ) to a single function of one angle.

a.

b. c.

d.

What is another identity you would use to convert the RHS: page1image25364720? a.

b.

c. d.

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____ 3.

Given:
Find the values of the following:

a.
b.
c.
d. 3

, angle A is in Quadrant III and angle B is in Quadrant I.

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____ 4.

What are the extreme values of y = sin (x + )?

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a.
b. 1and–1

and –

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c.
d. .75 and –.75

What is the best identity you could use to convert the LHS: page2image25375120? a.

b. c. d.

Evaluate 2 sin 67.5° cos 67.5°. What is the second step equal to?

a. sin 2(67.5°) b.

c. cos 2 (67.5°) d.

and –

____ 5.

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____ 6.

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