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int(pi//4)^(pi//2)(e^(cot x))/(sin^(2)x)...

`int_(pi//4)^(pi//2)(e^(cot x))/(sin^(2)x)dx=`

A

`e-1`

B

`e+1`

C

e

D

`e-2`

Text Solution

Verified by Experts

The correct Answer is:
A
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