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sin^(2)(2tan^(-1)sqrt((1+x)/(1-x)))="","...

`sin^(2)(2tan^(-1)sqrt((1+x)/(1-x)))="____","where "-1lexlt1`

A

(a) `1-x^(2)`

B

(b) `1+x^(2)`

C

(c) `x^(2)-1`

D

(d) `-x^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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