$\!\bigstar\bigstar\bigstar\bigstar\bigstar\bigstar$
$$\begin{equation}\begin{split} \int\tan^{6\,}\theta{\rm d}\theta \end{split}\end{equation}$$
$\!\bigstar\bigstar\bigstar\bigstar\bigstar\bigstar$
$$\begin{equation}\begin{split} \int\tan^{6\,}\theta{\rm d}\theta \end{split}\end{equation}$$
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