Question 1030466
cscx/1+cot^2x=sinx
(1+cot^2 x)=1+ cos^2 x/sin^2 x=[sin ^2 x+ cos^2 x]/sin^2 x=1/sin^2 x
csc x=1/sin x
Therefore it is 1/sin x/(1/sin ^2 x)= sin x
The identity is proven.