1.

The solutio set of the equation sin^(-1)sqrt(1-x^(2))+cos^(-1)x="cot"^(-1)(sqrt(1-x^(2)))/x-sin^(-1)x is

Answer»

`[-1,1]-{0}`
`[-1,0)UU{1}`
`(0,1]uu{-1}`
`[-1,1]`

ANSWER :B


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