Prove that tan^(-1) x =sec^(-1) sqrt(1+x...

Prove that `tan^(-1) x =sec^(-1) sqrt(1+x^2)`

A

`1/x`

B

x

C

`(1)/(sqrt(1+x^(2)))`

D

`(x)/(sqrt(1+x^(2)))`

Verified by Experts

The correct Answer is:

B

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