(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

what is the derivative of sin 5x

3. The attempt at a solution

using the product rule, i think the answer would be

cos 5x + sin 5

but the book says the answer is 5 cos 5x

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# The derivative of sin 5x

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