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If f : R to [-1, 1], where f(x)=sin(pi/2...

If `f : R to [-1, 1]`, where `f(x)=sin(pi/2[x])` (where [.] denotes the greatest integer function), then the range of f(x) is

A

[-1, 1]

B

{-1, 1}

C

{-1, 0, 1}

D

None of these

Text Solution

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The correct Answer is:
C
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