Y add mul x2 pow add mul c x3 mul pow add c x1 c pow add x1 cos x3 c c add mul x2 mul cos mul x2 cos x3 sin x3 mul x3 mul x2 mul pow add mul c x3 mul pow add c x1 c pow add x1 cos x3 c c add c mul c mul pow add c x1 c mul add x1 cos x3 sin x3