Which of the following is/are true...

Which of the following is/are true

`2tan^(-1)x=sin^(-1)((2x)/(1+x^(2)))` when `|x|le1`

`2sin^(-1)x=sin^(-1){2xsqrt((1-x^(2)))}` when `(-1)/(sqrt(2))lt x lt 1/(sqrt(2))`

`2tan^(-1)x=sin^(-1)((2x)/(1+x^(2))),` when `x gt1`

`2tan^(-1)x=sin^(-1)((2x)/(1+x^(2)))`, when `x lt -1`

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The correct Answer is:

A, B

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