if y=log(sinx) tanx then ((dy)/(dx)) (pi...

if `y=log_(sinx) tanx` then `((dy)/(dx)) _(pi/4)` is

A

`(4)/(log 2)`

B

`-4 log 2`

C

`(-4)/(log2)`

D

None of these

Verified by Experts

The correct Answer is:

C

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