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Evaluate the integerals. int (1)/(1...

Evaluate the integerals.
`int (1)/(1+tan x) dx`

A

`(1)/(2)log|cosx+ sin x|+(1)/(2) x+c`

B

`(1)/(2)log|cosx+ sin x|-(1)/(2) x+c`

C

`(1)/(2)log|cos x+ tan x|+(1)/(2) x+c`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
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