derivative of sin^n x

D sin ^{n}x = n sin^{n-1}x D sin x

=n sin^{n-1}x . cos x (by chain rule )

OR try it by P M I

derivative of sin^n x

D sin ^{n}x = n sin^{n-1}x D sin x

=n sin^{n-1}x . cos x (by chain rule )

OR try it by P M I

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