1.

The solution 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}`
`(0,1)U{-1}`
`[-1,0)U{1}`
`[-1, 1]`

ANSWER :C


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