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[obm-l] Trigonometria
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Trigonometria
- From: Graciliano Antonio Damazo <bissa_damazo@xxxxxxxxxxxx>
- Date: Mon, 19 Feb 2007 05:21:37 +0000 (GMT)
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- Sender: owner-obm-l@xxxxxxxxxxxxxx
Alguem poderia me ajudar?
prove que: tg20º.tg30º.tg40º = tg10º
Obrigado por enquanto...
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