Given that is an acute angle, express in terms of sin : a. sin () b. sin (180 + ) c. sin (360

Given that θ is an acute angle, express in terms of sin θ:

a. sin (−θ) 

b. sin (180° + θ) 

c. sin (360° − θ)

d. sin (−(180° + θ)) 

e. sin (−180° + θ) 

f. sin (−360° + θ)

g. sin (540° + θ) 

h. sin (720° − θ) 

i. sin (θ + 720°)