3
\includegraphics[max width=\textwidth, alt={}, center]{de5edcfa-595b-4a9b-b3b3-7803670759cf-04_378_969_258_587} Coplanar forces of magnitudes \(8 \mathrm {~N} , 12 \mathrm {~N} , 10 \mathrm {~N}\) and \(P \mathrm {~N}\) act at a point in the directions shown in the diagram. The system is in equilibrium. Find \(P\) and \(\theta\).