(3) A gymnast of mass mb suspends himself on the rings with his body upright and straight arms that are horizontal with which he clutches the rings. Each ring is suspended by a rope with tension T that makes an acute angle 0 with his arms, and the rings are separated by a distance d. (a) Solve for the T and 0. Assume symmetry. (b) If the gymnast weighs 600 N, 0 = 75, and d = 1.8 m, find T.