![]() | 1 | initial version |
Abbreviated @Emmanuel answer
Ra=0.5;
Rb=3.0;
ta=pi/2;
var('x tb');
sol = solve([Ra*cos(ta)+Rb*cos(tb)==x,
Ra*sin(ta)+Rb*sin(tb)==0.0],x,tb,
algorithm='sympy')
sol
[{tb: -0.167448079219689, x: 2.95803989154981},
{tb: 3.30904073280948, x: -2.95803989154981}]