Answer
$\cot\theta;\csc\theta$
Work Step by Step
$\theta$ is coterminal with $0^{\circ}$ or $180^{\circ}$ $\implies\sin\theta=0$
Therefore, $\cot\theta=\frac{\cos\theta}{\sin\theta}=\frac{1}{0}$ and $\csc\theta=\frac{1}{\sin\theta}=\frac{1}{0}$ are undefined.
