Answer
$\dfrac {\cos \theta }{\sin \theta \cot \theta }=\dfrac {\cos \theta }{\sin \theta \dfrac {\cos \theta }{\sin \theta }}=1$
Work Step by Step
$\dfrac {\cos \theta }{\sin \theta \cot \theta }=\dfrac {\cos \theta }{\sin \theta \dfrac {\cos \theta }{\sin \theta }}=1$