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The value of cos^-1 x + cos^-1 {x/2 + sq...

The value of `cos^-1 x + cos^-1 {x/2 + sqrt3/2 cdot sqrt(1 - x^2)}, x gt 1/2` is

A

`-pi/3`

B

`2 cos^-1 x`

C

`pi/3`

D

`-2 cos^-1 x`

Text Solution

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The correct Answer is:
C
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