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If [sin^(-1)x]^(2)-2[sin^(-1)x]+1le0 (wh...

If `[sin^(-1)x]^(2)-2[sin^(-1)x]+1le0` (where, [.] represents the greatest integral part of x), then

A

`x in[sin1, sin2]`

B

`x in[-sin1, sin1]`

C

`x in [sin1,1]`

D

`x in [-sin1, sin2]`

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The correct Answer is:
C
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