[obm-l] Trigonometria

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] Trigonometria
From: Klaus Ferraz <klausferraz@xxxxxxxxxxxx>
Date: Tue, 17 Jan 2006 21:38:10 +0000 (GMT)
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Determine os valores de x e y que satisfazem as equacoes:

x + y = pi/5

sen^2 x + sen^2 y = 1 - cospi/5