5.5 The Substitution Rule/39

Failed to parse (unknown function "\begin{align}"): {\displaystyle \begin{align} & \int\sec^{3}(x)\tan(x)\, }

& u=\sec(x)

& du=\sec(x)\tan(x)\,dx

& \int\sec^{3}(x)\tan(x)\, &

&= \int u^{2}\,du &

&=

\end{align} </math>