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