Answer
$ sin\theta$ $ cot\theta=cos\theta$
Work Step by Step
Need to prove $ sin\theta$ $cot\theta=cos\theta$
$cot\theta=\frac{cos\theta}{ sin\theta}$ (quotient property)
Thus,
$ sin\theta cot\theta=sin\theta\times\frac{cos\theta}{ sin\theta}$
Hence, $ sin\theta$ $ cot\theta=cos\theta$