Evaluate lim h0 sin 9h sin 7h . Hint: sin 9h sin 7h = 9 7 sin 9h 9h 7h sin 7h
Chapter 2, Problem 28(choose chapter or problem)
Evaluate lim h0 sin 9h sin 7h . Hint: sin 9h sin 7h = 9 7 sin 9h 9h 7h sin 7h .
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