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tan ((pi)/(4) + (1)/(2) cos^(-1) x) + ta...

`tan ((pi)/(4) + (1)/(2) cos^(-1) x) + tan ((pi)/(4) - (1)/(2) cos^(-1) x), x != 0`, is equation to

A

`x`

B

`2x`

C

`2/x`

D

`x/2`

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The correct Answer is:
C
NA
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