On 12/13/03 17:31:20, Ariel de Silvio wrote:
da formula tgx=|(mr-ms)/(1+mr*ms)|
sendo mr => coeficiente angular de r ms => coeficiente angular de s tgx => angulo formado entre as duas retas
tgx=|5/-5| tgx=1 [...]
O coeficiente angular das duas retas � -2 e 3, n�o? O coeficiente angular � igual a -a quando a reta est� sobre a forma ax + y + b = 0.
[]s,
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