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

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

A

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

B

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

C

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

D

2 log |cos x + sin x | + x + c

Text Solution

Verified by Experts

The correct Answer is:
A
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