Question 775245
simplify:
(csc^(2)(x)-cot^(2)(x))/(sin^(2)(x))
{{{(csc^2(x)-cot^2(x))/(sin^2(x))=((1/sin^2(x)-(cos^2(x))/sin^2(x)))/(sin^2(x))}}}
sin^2(x) cancels out, leaving:
1-cos^2(x)=sin^2(x)