Question

calculus help

Answer 1

\[\int\limits_{?}^{?}(\sin ^{2}x*\cos ^{2}x)/(\sin x)\]

Answer 2

do a bit of division\[\int\frac{\sin^2x\cdot\cos^2x}{\sin x}dx=\int\sin x\cdot\cos^2xdx\]now we can substitute\[u=\cos x\]\[du=-\sin xdx\]and our integral becomes\[-\int u^2du\]