The equation 2 cos^(-1)x=sin^(-1)(2x sqr...

The equation `2 cos^(-1)x=sin^(-1)(2x sqrt(1-x^(2)))` is valid for all values of x satisfying

A

`0 le x le (1)/(sqrt2)`

B

`-1 le x le 1`

C

`0 le x le 1`

D

`(1)/(sqrt2) le x le 1`

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The correct Answer is:

D

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