[obm-l] Re: [obm-l] Geometria Anlítica

[Alvaro Netto]

Sauda��es.   (4,3) = 4 + 3.i (1) cis 60� = 1/2 + i.sqrt(3)/2 (2) (1).(2): (4 + 3i).(1/2 + i.sqrt(3)/2) = 2 - 3.sqrt(3)/2 + i.(3/2 + 2.sqrt(3)) =  (2 - 3.sqrt(3)/2, 3/2 + 2.sqrt(3)).   Alvaro. ----- Original Message ----- From: Rob�ffffe9rio Alves To: obm-l@mat.puc-rio.br Sent: Sunday, April 24, 2005 6:16 PM Subject: [obm-l] Geometria Anl�tica Se eu tenho o ponto (4,3) e gir�-lo 60� anti-hor�rio com mesmo m�dulo, qual ser� esse novo ponto? Yahoo! Acesso Gr�tis: Internet r�pida e gr�tis. Instale o discador agora!