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[obm-l] meu professor endoidou!(derivada de ln(cos(x)) )
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] meu professor endoidou!(derivada de ln(cos(x)) )
- From: "Tiago Machado" <jaspier@xxxxxxxxx>
- Date: Sun, 19 Mar 2006 12:16:44 -0200
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Não consigo entender como a dereivada de ln(cos(x)) pode ser igual a -sin(x)/cos(x)...
Alguem pode explicar ou vou continuar achando que meu professor endoidou!
Obrigado