Y add mul x3 add c add x4 add mul x1 cos c mul pow c div c c pow x3 div c c add mul add x3 mul x4 x1 add c add x4 add mul x1 cos c mul pow c div c c pow x3 div c c mul div c c mul pow c div c c mul pow x3 div c c add x3 mul x4 x1