গণিত প্রশ্ন

A 68 kg 68 \text{ kg} person lies in a hammock, as shown in figure given below. The rope at the person's head makes an angle ϕ \phi of 40∘ 40^\circ with the horizontal, while the rope at the person's feet makes an angle θ \theta of 20∘ 20^\circ . Find the tension in the two ropes.