\documentclass[12pt,a4paper]{article}
\usepackage[francais]{babel}
\usepackage{mafr}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{lmodern}
\usepackage[dvipsnames]{xcolor}
\usepackage{pstricks}
\usepackage{pst-eucl}
\begin{document}
\begin{footnotesize}
\begin{pspicture*}(0,0)(9,7)%
\pstGeonode(5,4){C}(1,1){T}%
\pscircle(C){2}%
\pstCircleAB[linestyle=dashed,linecolor=cyan]{C}{T}%
\pstMiddleAB{C}{T}{M}%
\pstInterCC[RadiusA=\pstDistVal{2},DiameterB=\pstDistAB{C}{T}]{C}{}{M}{}{I}{J}%
\pcline[nodesepB=-10,linecolor=red](T)(I)%
\pcline[nodesepB=-10,linecolor=red](T)(J)%
\end{pspicture*}
\end{footnotesize}
\end{document}
