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f(x)=min{1,cosx,1-sinx},-pilexlepi, then...

`f(x)=min{1,cosx,1-sinx},-pilexlepi,` then

A

f(x) is not differentiable at 0

B

f(x) is differentibale `pi//2`

C

f(x) has local maximum at 0

D

None of these

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The correct Answer is:
A, C
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