Y add mul x1 mul pow x2 c mul pow x1 c pow add x1 mul c x2 c add mul c mul x1 mul x1 mul pow x2 c mul pow add x1 mul c x2 c add mul x1 add x2 x1 cos add x1 sqrt c mul c mul x1 mul x1 mul pow x2 c mul pow add x1 mul c x2 c add mul x1 add x2 x1 cos add x1 sqrt c