Use the addition formula sin(u + v) = sin u cos v + sin v cos u to derive the following
Chapter 9, Problem 9.2.22(choose chapter or problem)
Use the addition formula sin(u + v) = sin u cos v + sin v cos u to derive the following identity for the average rate of change of the sine function: sin(x + h) sin x h = sin x cos h 1 h + cos x sin h h
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