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int (sec x)/(sqrt(cos 2 x )) dx is...

` int (sec x)/(sqrt(cos 2 x )) dx ` is

A

`tan^(-1) (cos x) +c`

B

`sin ^(-1) (tan x) +c`

C

`tan ^(-1) (sin x) +c`

D

`2 sin ^(-1) (tan x) +c`

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