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(Tan^(-1)x)^(2)+(Cos^(-1)x)^(2)=5pi^(2)/...

`(Tan^(-1)x)^(2)+(Cos^(-1)x)^(2)=5pi^(2)//8rArrx=`

A

`-1`

B

1

C

0

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
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