%%
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 03-00-2 auf Seite 34.
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%%  Copyright (C) 2016 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
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%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
\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}