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

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

A

`R-[-1]`

B

`(-infty, -1) cup [0, infty)`

C

`(-infty,-1] cup [0, infty)`

D

`(-infty,-1) cup (0,infty)`

Text Solution

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The correct Answer is:
B
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