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(d)/(dx) [(x)/(2) + 1/2 log | sin x + c...

`(d)/(dx) [(x)/(2) + 1/2 log | sin x + cos x|]=`

A

`(tan x)/( 1 + tan x )`

B

`(1)/(1 + cos x )`

C

`(1)/(1 + cot x )`

D

`(1)/(1 + tan x )`

Text Solution

Verified by Experts

The correct Answer is:
D
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