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If tan x = b//a then sqrt((a + b)/(a - b...

If `tan x = b//a` then `sqrt((a + b)/(a - b)) + sqrt((a - b)/(a + b))` is equal to

A

`(2 sin x)/(sqrt(sin 2x)`

B

`(2 cos x)/(sqrt(cos 2x))`

C

`(2 cos x)/(sqrt(sin 2x))`

D

`(2 sin x)/(sqrt(cos 2x))`

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