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If y=log(sinx)(tanx), then (dy)/ (dx) at...

If `y=log_(sinx)(tanx),` then `(dy)/ (dx)` at `x=(1)/(4)` is equal to

A

`(4)/(log2)`

B

`-4log2`

C

`(-4)/(log2)`

D

None of these

Text Solution

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The correct Answer is:
C
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