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The true set of valued of 'K' for which ...

The true set of valued of 'K' for which `sin ^(-1)((1)/(1+sin ^(2)x)) = (kpi)/(6)` may have a solution is :

A

`[(1)/(4), (1)/(2)]`

B

`[1,2]`

C

`[(1)/(6), (1)/(2)]`

D

`[2,4]`

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The correct Answer is:
B
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