1.

If cosec^(-1)(cosecx) and cosec(cosec^(-1)x) are equal functions, then the maximum range of value of x is

Answer»

`[-(pi)/2,-1]UU[1,(pi)/2]`
`[-(pi)/2,0)uu[0,(pi)/2]`
`(OO,-1]uu[1,oo)`
`[-1,0)uu[0,1)`

Answer :A


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