How do you integrate cos2x by integration by parts method?

1.	How do you integrate cos2x by integration by parts method?
Answer» cos²x by integration by parts method gives 1/2 ( cos x× sin x ) + x/2 + C Integration by parts is a method used for integrating the functions in multiplication. To integrate∫cos²x, we will write cos²x = cos x× cos x.

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