Verify the identity.in 8 8 sincos 1 2 sin 2 1 8 sin2cos2
Chapter 6, Problem 6.7.21(choose chapter or problem)
Verify the identity.in 8 8 sincos 1 2 sin 2 1 8 sin2cos2
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