Answer: (a) By differentiating the double-angle formula
Chapter 3, Problem 3.736(choose chapter or problem)
(a) By differentiating the double-angle formula obtain the double-angle formula for the sine function. (b) By differentiating the addition formula obtain the addition formula for the cosine function. sin!x "a"!sin x cos a "cos x sin a
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer