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Number of solutions of the equation, `[y+[y]]=2cosx` is: (where `y=1//3)[sinx+[sinx+[sinx]]]` and `[]=` greatest integer function) (a). 0 (b) 1 (c) 2 (d) `oo`

A

0

B

1

C

2

D

Infinite

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A
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