How do I solve a system of equations when there is a cosine.
Here is the system: $$ \left\{ \begin{array}{c} a+b=77° \\ \cos(a)=\frac{y}{3.5} \\ \cos(a)=\frac{y+1}{3.5+x} \\ \cos(b)=\frac{y+1}{3.5} \end{array} \right. $$
2026-05-17 04:09:45.1778990985
Solving a System of Equations with Cosine
94 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in TRIGONOMETRY
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