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