%%
%% A DANTE-Edition example
%%
%% Example 02-20-1 on page 92.
%%
%% 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
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\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\usepackage{threeparttable,array,booktabs,calc}
\begin{document}
\begin{threeparttable}
\caption{Summary of the signs for the most important trigonometric
functions.\tnote{1}}
\begin{tabular}{@{}rc*{6}{>{$}c<{$}}}\toprule
\emph{quadrant} & angle & \sin\tnote{a} & \cos\tnote{a} & \tan\tnote{b}
& \mathrm{cot}\tnote{b} & \mathrm{sec}\tnote{c} & \mathrm{csec}\tnote{c} \\\midrule
I & $0^\circ$ to $90^\circ$ & + & + & + & + & + & + \\
II & $90^\circ$ to $180^\circ$ & + & - & - & - & - & + \\
III & $180^\circ$ to $270^\circ$ & - & - & + & + & - & - \\
IV & $270^\circ$ to $360^\circ$ & - & + & - & - & + & - \\\bottomrule
\end{tabular}
\begin{tablenotes}
\item[1] Conversion to radian is easy.
\begingroup% keep local
\renewcommand\tnote[1]{\normalsize\bfseries#1}
\item[range:] ~ \endgroup
\item[a] \makebox[1.8em][r]{$-1$} to $+1$
\item[b] \makebox[1.8em][r]{$-\infty$} to $+\infty$
\item[c] \makebox[1.8em][r]{$-\infty$} to $-1$ and $+1$ to $+\infty$
\end{tablenotes}
\end{threeparttable}
\end{document}
