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[obm-l] n^i

To: lista de matem�tica <obm-l@xxxxxxxxxxxxxx>
Subject: [obm-l] n^i
From: Eduardo Henrique Leitner <ehl@xxxxxxxxxxxxxx>
Date: Sun, 20 Jun 2004 23:50:09 -0300
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algu�m pode me dizer qual � o sentido de elevar algum numero � unidade imagin�ria?

n^i??

se nao ouver sentido, daonde surgiu esses teoremas:

cos (theta) = {e^[i(theta)] + e^[-i(theta)]}/2

sen (theta) = {e^[i(theta)] - e^[-i(theta)]}/(2i)

grato
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