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[obm-l] Demonstração de identidade trigonometrica
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Demonstração de identidade trigonometrica
- From: Júnior <jssouza1@xxxxxxxxx>
- Date: Sun, 24 Jul 2005 13:00:14 -0300
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Demonstre a identidade: tg^2 + cotg^2 = 2 (3 + cos4x)/(1 - cos4x)
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