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int(0)^(pi//2) ln (tan x+ cot x)dx=...

`int_(0)^(pi//2) ln (tan x+ cot x)dx=`

A

`pi/2 ln 2`

B

1

C

`pi ln 2`

D

`2 pi ln 2`

Text Solution

Verified by Experts

The correct Answer is:
C
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