ǰһдôһ䣺θߵĽΪ(16*sqrt(13)*cos(t), 16*sqrt(13)*sin(t))/7
cost)=2/(13),sin(t)=3/(13)룬ǣ32/748/7˵ģ23
Ӧ( sqrt(13)*cos(t), sqrt(13)*sin(t))⡣
Ϊһˣӷcot()=2/35/7ΪĽ
cost)=2/(13),sin(t)=3/(13)룬ǣ32/748/7˵ģ23
Ӧ( sqrt(13)*cos(t), sqrt(13)*sin(t))⡣
Ϊһˣӷcot()=2/35/7ΪĽ
���༭ʱ��: 2023-09-07 15:27:33