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%%  Ein Beispiel der DANTE-Edition
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%%  2. Auflage
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%%  Beispiel 09-08-6 auf Seite 451.
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%%  Copyright (C) 2016 Herbert Voss
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%%  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.
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% Show page(s) 1
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\AtBeginDocument{\setlength\parindent{0pt}}
%StartShownPreambleCommands
\usepackage{bm,amsmath}
\DeclareBoldMathCommand[bold]{\Sin}{\mathrm{sin}}
\DeclareBoldMathCommand[bold]{\Alpha}{\alpha}
%StopShownPreambleCommands
\begin{document}
$ f(x)=\sin(x) $ $ \mathbf{f(x)=\sin(x)} $ $ \bm{f(x)=\sin(x)} $ \\
$ f(x)=\Sin(x) $ $ \mathbf{f(x)=\Sin(x)} $ $ \bm{f(x)=\Sin(x)} $ \\
$ f(\Alpha)=\Sin(\Alpha)$ $\mathbf{f(\Alpha)=\Sin(\Alpha)}$
$\bm{f(\Alpha)=\Sin(\Alpha)}$
\end{document}
