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[obm-l] trigonometria

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] trigonometria
From: cleber vieira <vieira_usp@xxxxxxxxxxxx>
Date: Wed, 26 Jan 2005 12:56:26 -0300 (ART)
In-Reply-To: <20050126122535.GB31123@mula.mat.puc-rio.br>
Reply-To: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxx

Olá amigos,gostaria da ajuda de vocęs no seguinte problema:

1) Provar que

sec^4(pi/7)+sec^4(2pi/7)+sec^4(3pi/7)= 416

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- Re: [obm-l] conjuntos nao mensuraveis
  - From: Nicolau C. Saldanha

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