Question

Find the derivate of f (x) from the first principle f (x) = sinx+cosx​

Answer 1

First principle method:-

f(x): lim. f(x+h) -f(x)/h

h-->0

Ans:- cos2x.

Thankyou!!✌

Answer 2

HEY mate✌️✌️✌️✌️

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Solution-:

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◆Refer the attachment◆