The range of the function $f(x)=\sin [x]$,where $-\frac{\pi}{4} < x < \frac{\pi}{4}$ and $[x]$ denotes the greatest integer $\leq x$,is

  • A
    $\{0\}$
  • B
    $\{0, -1\}$
  • C
    $\{0, \pm \sin 1\}$
  • D
    $\{0, -\sin 1\}$

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