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Let cos (2 tan ^(-1) x)=(1)/(2) then the...

Let `cos (2 tan ^(-1) x)=(1)/(2)` then the value fo `x` is

A

`sqrt(3)`

B

`(1)/(sqrt(3))`

C

`1-sqrt(3)`

D

`1-(1)/(sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
B
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