Ta*cos45°=Tb*cos30° Ta*sin30°+Tb*sin45°=600 二元一次方程求解,具体步奏列出.

Ta*sqrt(2)/2=Tb*sqrt(3)/2
=>Tb=sqrt(2/3)*Ta
Ta*1/2+Tb*sqrt(2)/2=600
=>Ta*(1/2+sqrt(3)/3)=600
=>Ta=600/(1/2+sqrt(3)/3)
=>Tb=sqrt(2/3)*600/(1/2+sqrt(3)/3)