5.2 Fun&ccedil;&otilde;es e Vari&aacute;veis Definidas para Matrizes e &Aacute;lgebra Linear</a></td></tr>
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<tr><td></td><td valign="top"><a href="maxima_15.html#IDX503">halfangles</a></td><td valign="top"><a href="maxima_15.html#SEC51">15.2 Fun&ccedil;&otilde;es e Vari&aacute;veis Definidas para Trigonometria</a></td></tr>
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