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[obm-l] sistema
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] sistema
- From: Ricardo Prins <ricardoprins@xxxxxxxxx>
- Date: Wed, 13 Jul 2005 21:33:13 -0300
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olá,
Seja A^2=B^2+C^2 Se x, y e z satisfazem o sistema
Ccosy + Bcosz=a
Ccosx + Acosz=b
Bcosx + Acosy=c
então cosx + cosy + cosz e igual a :
obrigado!
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