model
min=200/([email=1.5*@sin(a1))+760/(1.5*@sin(a2))+200/(1.5*@sin(a3]1.5*@sin(a1))+760/(1.5*@sin(a2))+200/(1.5*@sin(a3[/email]));
a1>0;
a1<pi;
a2>0;
a2<pi;
a3>0;
a3<pi;
([email=1.47+1.5*@cos(a1))*200/(1.5*@sin(a1))+(2.11+1.5*@cos(a2))*760/(1.5*@sin(a2))+(1.47+1.5*@cos(a3))*200/(1.5*@sin(a3))=1000]1.47+1.5*@cos(a1))*200/(1.5*@sin(a1))+(2.11+1.5*@cos(a2))*760/(1.5*@sin(a2))+(1.47+1.5*@cos(a3))*200/(1.5*@sin(a3))=1000[/email];
end