Derivative of sinxcosx with Product Rule | Calculus 1 Exercises

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We differentiate sinxcosx using the product rule. After simplifying and using a trig identity, we find the derivative of sinx*cosx is cos2x. #calculus #apcalculus

Product Rule for Derivatives Explained: (coming soon)

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i just wanna know how

cos②x - sin②x = cos2x ☹️

barhamkarkuky