If x in ( - pi/2, pi/2), then the valu...

If ` x in ( - pi/2, pi/2)`, then the value of `tan^(-1) ((tan x)/4) + tan^(-1) ((3 sin 2x)/(5 + 3 cos 2x)) ` is

A

`x//2`

B

`2x`

C

`3x`

D

`x`

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The correct Answer is:

D

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