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int (cos2x)/(cosx) dx=...

`int (cos2x)/(cosx) dx=`

A

`2 sin x + log | sec x + tan x |+C`

B

`2 sin x -log | sec x - tan x |+C`

C

`2 sin x - log | sec x + tan x |+C`

D

`2 sin x + log | sec x - tan x |+C`

Text Solution

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The correct Answer is:
C, D
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