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If y=sinx, then dy/dx=0, for x=...

If `y=sinx`, then `dy/dx=0`, for x=

A

0

B

`pi/2`

C

`n pi/2`,where n=1,2,3.....

D

`(2n-1)pi/2`, where n= 1,2,3......

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The correct Answer is:
B, D
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