Answer
$\cot\theta$
Work Step by Step
Given expression is-
$\frac{\csc\theta}{\sec\theta}$
= $\frac{1/\sin\theta}{1/\cos\theta}$
= $ \frac{1}{\sin\theta} \times \frac{\cos\theta}{1}$
= $\frac{\cos\theta}{\sin\theta}$
= $\cot\theta$