// Coordinates System :
SetCoords(-120,17,114.9311140826388,true);


// Geometry :
O=Point("O",6.29072471602548,-3.2976274790783635);
E2=Expression("E2","Technique de calcul : observer comment est calcul\u00e9 l'angle orient\u00e9 (u,v) ","","","2","1.305129609133917","-5.246621028718346");
Y=Point("Y","[0,1,0]","1");
P4=Point("P4","[-4,4,0]","1");
P3=Point("P3","[4,-4,0]","1");
P2=Point("P2","[4,4,0]","1");
P5=Point("P5","[-4,-4,0]","1");
P1=Point("P1",1.2964287450730243,-1.1659157841596326);
X=Point("X","[1,0,0]","1");
E1=Expression("E1","Produit vectoriel dynamique ","","","1","1.3921382497428447","-0.20011987340053394");
Z=Point("Z","[0,0,1]","1");
Poly1=Polygon("Poly1","_P3,_P2,_P4,_P5");
S11=Segment("S11",O,X);
S31=Segment("S31",O,Z);
S21=Segment("S21",O,Y);
v=PointOn("v",Poly1,[0.1615454921876041,0.5768802513583744]);
u=PointOn("u",Poly1,[0.23822537360480775,0.4484761031673818]);
S2=Segment("S2",u,O);
Cdu=ExpressionOn("Cdu","","","","u",P1,[30,-40]);
S3=Segment("S3",O,v);
Cdv=ExpressionOn("Cdv","","","","v",P1,[30,-10]);
anguv=ExpressionOn("anguv","angle(u,v) = ","","","arg((Cdv[0]+i*Cdv[1])/(Cdu[0]+i*Cdu[1]))",P1,[30,20]);
nPV=ExpressionOn("nPV","Norme et sens du produit vectoriel = ","","","d(O,u)*d(O,v)*sin(anguv)",P1,[30,50]);
uv=Point("u^v","[0,0,nPV]","1");
S4=Segment("S4",O,uv);


// Styles :
STL(O,"c:#966400;o:1;s:3;sn:true;f:16;sp:2;np:0.4353532751523024;fl:true");
STL(E2,"c:#007c7c;s:7;f:15;p:-1;cL:200;cPT:YzojNzgwMDEzO3M6MTA7ZjozMA==");
STL(Y,"c:#0000b2;o:1;s:2;sn:true;f:16");
STL(P4,"c:#0000b2;h:1;s:6;f:16");
STL(P3,"c:#0000b2;h:1;s:6;f:16");
STL(P2,"c:#0000b2;h:1;s:6;f:16");
STL(P5,"c:#0000b2;h:1;s:6;f:16");
STL(P1,"c:#0000b2;s:4;f:30;sp:1;fl:true");
STL(X,"c:#0000b2;o:1;s:2;sn:true;f:16");
STL(E1,"c:#8b1188;s:7;f:20;p:-1;cL:200;cPT:YzojNzgwMDEzO3M6MTA7ZjozMA==");
STL(Z,"c:#0000b2;o:1;s:2;sn:true;f:16");
STL(Poly1,"c:#966400;o:0.2;s:1;f:30");
STL(S11,"c:#117dad;s:1;f:24");
STL(S31,"c:#117dad;s:1;f:24");
STL(S21,"c:#117dad;s:1;f:24");
STL(v,"c:#006633;o:1;s:5;sn:true;f:18");
STL(u,"c:#0000b2;o:1;s:5;sn:true;f:18");
STL(S2,"c:#0000b2;s:2;f:24");
STL(Cdu,"c:#0000b2;s:7;sn:true;f:18;p:4;cL:200;cPT:YzojNzgwMDEzO3M6MTA7ZjozMA==");
STL(S3,"c:#006633;s:2;f:24");
STL(Cdv,"c:#006633;s:7;sn:true;f:18;p:4;cL:200;cPT:YzojNzgwMDEzO3M6MTA7ZjozMA==");
STL(anguv,"c:#317dff;s:7;sn:true;f:18;p:4;cL:200;cPT:YzojNzgwMDEzO3M6MTA7ZjozMA==");
STL(nPV,"c:#cf0928;s:7;sn:true;f:18;p:4;cL:200;cPT:YzojNzgwMDEzO3M6MTA7ZjozMA==");
STL(uv,"c:#cf0928;s:1.5;sn:true;f:16");
STL(S4,"c:#cf0928;s:1.5;f:24");
SetCoordsStyle("3Dmode:true;isAxis:false;isGrid:true;isOx:true;isOy:true;isLockOx:false;isLockOy:false;centerZoom:true;color:#111111;fontSize:18;axisWidth:1;gridWidth:0.1");
SetGeneralStyle("background-color:#FAFAFA");