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If: A= tan^(-1)x, then: sin 2A=...

If: `A= tan^(-1)x`, then: sin 2A=

A

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

B

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

C

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

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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