Bentuk Substitusi

\begin{equation*}
\begin{split}
& \int \sin^3x \cos x\:dx\\\\
& \int \sin^3x \cancel {\cos x}\:\frac{d(\sin x)}{\cancel {\cos x}}\\\\
& \int \sin^3x \:d(\sin x)\\\\
& \frac{1}{4}\sin^4x+C
\end{split}
\end{equation*}