<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}
\usepackage{epsfig}
\begin{document}

\parindent=0pt

QUESTION

Sketch the graph of the function $\cos(2x)$ for $-\pi\leq
x\leq\pi$.


ANSWER

\epsfig{file=160-2000-1.eps, width=60mm}


$y=\cos(2x)$




\end{document}
</pre></body></html>