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