%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{166.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-plot}
\StopShownPreambleCommands
\begin{document}
\psset{xunit=1.5,yunit=0.75,plotpoints=200,
  plotstyle=dots}
\begin{pspicture}(-1.1,-3.5)(1.2,3.1)
  \psaxes[Dx=0.5]{->}(0,0)(-1,-3.5)(1.2,3)%
    [$x$,0][$y$,0]
  \rput[l](0.2,2){$f(x)=\arccos x$}
  \psset{yunit=1.5cm,xunit=.75cm,swapaxes=true}
  \psplot[linecolor=red]{-3.1415}{0}%
    {x RadtoDeg cos}
  \psplot[plotstyle=dots,plotpoints=10]%
      {0}{1.5707}{x RadtoDeg cos}
\end{pspicture}
\end{document}