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2 cos^(-1) x = sin^(-1) (2x sqrt(1 - x^(...

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

A

`-1lexle1`

B

`0lexle1`

C

`1/sqrt2lexle1`

D

`0lexle1/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
C
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