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If sin ^(-1) x+cot ^(-1) (1)/(2)=(pi)/(2...

If `sin ^(-1) x+cot ^(-1) (1)/(2)=(pi)/(2),` then `x=`

A

0

B

`(1)/(sqrt(5))`

C

`(2)/(sqrt(5))`

D

`(sqrt(3))/(2)`

Text Solution

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The correct Answer is:
B
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