How will u prove that derivative of sin x = cos x? – InterviewSolution

1.	How will u prove that derivative of sin x = cos x?
Answer» e :-Derivative of Solution :-Let's ASSUME that Now according to the first PRINCIPLES,Apply formula,Here, since h is tending towards 0, h/2 will ALSO tends to 0.We are AWARE about the formula,APPLYING this, we get :Now, solving the limit by direct substituition method :Hence derivative of

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