How do you use the sum or difference identities to find the exact value of #sin735^circ#?
1 Answer
Dec 13, 2016
Explanation:
sin 735 = sin (15 + 720) = sin (15 + 2(360)) = sin 15.
Evaluate sin 15 by using trig identity:
Trig table of special arcs -->
Since sin (15) is positive, then,