Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) `g(x)` is the inverse function of `f(x)` and `f'(x) = cos 2x`, then `g'(x)` is equal to - Sarthaks eConnect

`g(x)` is the inverse function of `f(x)` and `f'(x) = cos 2x`, then `g'(x)` is equal to

`sec 2(g(x))`

sec g(x)

cosec g(x)

None of these