$$\lim_{x \to \pi^-} \csc{\left(x \right)} = -\infty$$ More at x→pi from the left $$\lim_{x \to \pi^+} \csc{\left(x \right)} = -\infty$$ $$\lim_{x \to \infty} \csc{\left(x \right)} = \left\langle -\infty, \infty\right\rangle$$ More at x→oo $$\lim_{x \to 0^-} \csc{\left(x \right)} = -\infty$$ More at x→0 from the left $$\lim_{x \to 0^+} \csc{\left(x \right)} = \infty$$ More at x→0 from the right $$\lim_{x \to 1^-} \csc{\left(x \right)} = \frac{1}{\sin{\left(1 \right)}}$$ More at x→1 from the left $$\lim_{x \to 1^+} \csc{\left(x \right)} = \frac{1}{\sin{\left(1 \right)}}$$ More at x→1 from the right $$\lim_{x \to -\infty} \csc{\left(x \right)} = \left\langle -\infty, \infty\right\rangle$$ More at x→-oo