Questions on trig

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qrrmahgf09

Mathematics

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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.

page1image25363264page1image25364928page1image25362848page1image25362640page1image25363680page1image25365344page1image25365552page1image25365760page1image25364096

____ 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.

page1image25365968page1image25366176page1image25366592page1image25366800

page2image25192608

____ 4.

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

page2image25374288page2image25374080

a.
b. 1and–1

and –

page2image25372832page2image25375536

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.

page2image25368880page2image25375744page2image25372416page2image25374496

____ 6.

page2image25194896page2image25192192

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