<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass[a4paper,12pt]{article}
\newcommand\ds{\displaystyle}

\begin{document}

\parindent=0pt

QUESTION

Find $\ds\int\sin^2(2x)\,dx$.

\bigskip

ANSWER

$\ds\int\sin^2(2x)\,dx =\int\left(\frac{1-\cos(4x)}{2}\right)\,dx
=\frac{x}{2}-\frac{\sin(4x)}{8}+c$



\end{document}
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