\documentclass[11pt,a4,openright,makeidx,color,twoside,multicol]{article}
\usepackage{epic,eepic}
\usepackage{aeguill} % au lieu de [T1]{fontenc}
\usepackage{times}
\usepackage{fancybox,psfig,array}
\usepackage[sumlimits,namelimits]{amsmath}
\usepackage{amsfonts,amsxtra,eucal,multicol,indentfirst}
\usepackage[latin1]{inputenc}
\usepackage[francais]{babel}
\usepackage[dvips]{graphicx}
\usepackage[dvips]{color}
\pagestyle{empty}
\begin{document}
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\setlength{\unitlength}{1mm}
\begin{picture}(200,50)(20,0)
\includegraphics{sin.eps}
\end{picture}
\begin{picture}(200,50)(20,-50)
\put(45,8){Courbe représentative de la fonction sinus :\ \ \ \ $x\mapsto \sin x$.}
\put(105,20){$\vec i$}
\put(95,30){$\vec j$}
\put(185,22){$x$}
\put(97,42){$y$}
\put(116,28){$\frac \pi 2$}
\put(131,20){$\pi$}
\end{picture}
%%%%%%%%%%%%%%%%%
\end{document}