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: ? a.
b.
c. d.
____ 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.
____ 4.
What are the extreme values of y = sin (x + )?
a.
b. 1and–1
and –
c.
d. .75 and –.75
What is the best identity you could use to convert the LHS: ? 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.
____ 6.
