Answer
If $x=-\frac{3\pi}{2},\frac{\pi}{2}$, $\csc{x}=1$, if $x=-\frac{\pi}{2},\frac{3\pi}{2}$, $\csc{x}=-1$.
Work Step by Step
If $x=-\frac{3\pi}{2},\frac{\pi}{2}$, $\csc{x}=1$, if $x=-\frac{\pi}{2},\frac{3\pi}{2}$, $\csc{x}=-1$. (see graph)
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