%% 
%%  A DANTE-Edition example
%% 
%%  Example 15-01-78 on page 196.
%% 
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-plot}

\begin{document}
\begin{pspicture}(-0.5,-1.25)(10,1.25)
  \psaxes[trigLabels,xunit=\psPi,dx=0.25]{->}(0,0)(-0.25,-1.25)(3.2,1.25)
  \psplot[xunit=0.25,plotpoints=500,linecolor=red,linewidth=1.5pt]{0}{37.70}{
    x RadtoDeg dup sin exch 1.1 mul cos add}
\end{pspicture}
\end{document}