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If [x] dnote the greatest integer less t...

If [x] dnote the greatest integer less than or equal to x then the equation ` sin x=[1+sin x ]+[1-cos x ][` has no solution in

A

one solution in `[-pi/2,pi/2]`

B

one solution in `[pi/2,pi]`

C

One solution in R

D

no solution in R

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The correct Answer is:
d
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