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If f(x)=log(cosx), then the value of f''...

If f(x)=log(cosx), then the value of f''(x) is-

A

`-sec^2x`

B

`-cosec^2x`

C

`sec^2x`

D

`cosec^2x`

Text Solution

Verified by Experts

The correct Answer is:
A
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