Y add mul c mul pow x3 c mul pow add x3 x4 c pow add x3 mul x3 add c add mul c x2 cos c c add mul c mul x3 mul pow add x3 x4 c pow add x3 mul x3 add c add mul c x2 cos c c mul c mul pow x3 c mul pow add x3 x4 c mul pow add x3 mul x3 add c add mul c x2 cos c c add mul c cos c mul c x2