15. When Given the function

f(x)= $ 1+cos(−x) 3tanx $

find f'(x).

#### Top Answer

f'(x) = [ 3sec 2... View the full answer

- let me know if you have any doubt
- yadavrakesh8497
- May 06, 2018 at 9:04pm

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#### Other Answers

The derivative, f'(x)= ( 1 + c o s ( x ) ) 2... View the full answer

f ' ( x ) = ( 1 + c o s ( − x ) ) 2 ... View the full answer