[obm-l] Trigonometria

To: Lista OBM <obm-l@xxxxxxxxxxxxxx>
Subject: [obm-l] Trigonometria
From: "Igor O.A." <igordiscussao@xxxxxxxxx>
Date: Wed, 23 Nov 2005 06:59:22 -0300
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Achar as soluções de

cos(x) . cos(5x) . cos(7x) = [sqrt(3)]/3 (tangente de 30º)

Obrigado.
--
I G O R

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