If y=(tan x + cot x)/(tan x - cot x), th...

If `y=(tan x + cot x)/(tan x - cot x)`, then `(dy)/(dx)=`

A

`2 tan 2x sec2x`

B

`tan2x sec2x`

C

`-tan2x sec2x`

D

`-2tan2x sec2x`

Verified by Experts

The correct Answer is:

D

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