Re: [obm-l] Função trigonometrica.

To: obm-l@xxxxxxxxxxxxxx
Subject: Re: [obm-l] Função trigonometrica.
From: "saulo nilson" <saulo.nilson@xxxxxxxxx>
Date: Tue, 31 Jul 2007 13:52:02 -0300
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secy=x/(x+1)

cosy=(x+1)/x

-1<(x+1)/x<1

(2x+1)/x>0

x>0 ou x<-1/2

x<0

fazendo a intercessão

x<-1/2

On 7/31/07, Rejane <rejane@rack.com.br> wrote:

Bom dia,

Se alguém puder me ajudar, agradeço:

Dada a função f(x) = arc sec (x/x+1)
determine o seu domínio.

Follow-Ups:
- [obm-l] Re: [obm-l] Função trigonometrica.
  - From: Rejane