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[obm-l] soma de senos

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] soma de senos
From: vandermath@xxxxxxxxxxxxxx
Date: Tue, 06 Feb 2007 11:14:01 -0200
Reply-To: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxx

Oi pessoal, alguém poderia me auxiliar na seguinte soma:

S = sen(x) + sen(2x) + sen(3x) +...+ sen(nx) utilizando para isso a identidade

(cosx +i.senx)^n = cos(nx) + i.sen(nx) ?

Obrigado,

Vanderlei

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