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If sin^2 (2 cos^-1 (tan x)) = 1 then x m...

If `sin^2 (2 cos^-1 (tan x)) = 1` then x may be

A

`x=pi+tan^(-1)(1/(sqrt(2)))`

B

`x=pi-tan^(-1)(1/(sqrt(2)))`

C

`x=-pi+tan^(-1)(1/(sqrt(2)))`

D

`x=-pi-tan^(-1)(1/(sqrt(2)))`

Text Solution

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The correct Answer is:
A, B, C, D
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