Question

Prove Cotx=cscx/secx

Answer 1

well \[\huge\rm csc \theta =\frac{ 1 }{ \sin \theta }~~~~\sec \theta=\frac{ 1 }{ \cos \theta }~ \cot =\] and \[\cot \theta = \frac{ 1 }{ \tan \theta}=\frac{ \sin \theta}{ \cos \theta }\]
so replace csc with 1/sin
and sec with 1/cos