I have to solve a system of nonlinear equations using jacobian but I'm not sure how to solve for the solutions. I remember one of my friends doing $Ax = B$; where jacobian matrix was $A$, but im not sure what was $B$.
$10\cos(t_3)-9\cos(t_4) = 8 - 3.5\cos(15)$
$10\sin(t_3)-9\sin(t_4) = -3.5\sin(15)$
I have to solve for $t_3$ and $t_4$. And it tells me to set it in terms of $t_2$ (which is $15$ in the problem). Answers were $t_3 = 53$ degrees and $t_4 = 81$ degrees