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If (tan^-1x)^2+(cot^-1x)^2 = (5pi^2)/8, ...

If `(tan^-1x)^2+(cot^-1x)^2 = (5pi^2)/8`, then x is equal to

A

-1

B

1

C

0

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
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