[obm-l] Período

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] Período
From: Júnior <jssouza1@xxxxxxxxx>
Date: Mon, 3 Oct 2005 11:19:57 -0300
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Como faço para achar o periodo da função f(x)= sen(3x/7) + cos(x/3) + tg (2x/5) ?

Júnior.