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The range of the function f(x) =[sinx+co...

The range of the function `f(x) =[sinx+cosx]` (where `[x]` denotes the greatest integer function) is `f(x) in ` :

A

`[-sqrt(3),sqrt(3))`

B

`[-2,-sqrt(3)]`

C

`[-3,-1]`

D

`[-2,-sqrt(3)]`

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The correct Answer is:
B, C, D
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