1.

If [sin^(-1)cos^(-1)sin^(-1)tan^(-1)x]=1, where [.] denotes the greatest integer function, then x is given by the interval

Answer»

`[TAN SIN COS 1, tan sin cos sin 1]`
`(tan sin cos 1, tan sin cos sin 1)`
`[-1,1]`
`[sin cos tan 1, sin cos sin tan 1]`

ANSWER :A


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