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