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

If `cos^(-1)x + cot^(-1) (1/2) = pi/2 ` then x is equal to

A

`3/(sqrt(5))`

B

`1/(sqrt(5))`

C

`2/(sqrt(5))`

D

`1/3`

Text Solution

Verified by Experts

The correct Answer is:
C
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