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Solution set of inequation (cos^(-1)x)^...

Solution set of inequation
`(cos^(-1)x)^(2)-(sin^(-1)x)^(2)gt0` is

A

`[0, (1)/(sqrt(2)))`

B

`[-1, (1)/(sqrt(2)))`

C

`(-1, 1)`

D

`[-1, (1)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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