Y mul div c c mul pow x5 div c c mul add pow c div c c mul c mul pow x5 div c c add c mul c x1 mul cos add x5 add x4 add mul pow c div c c pow x5 div c c mul c mul x5 x1 cos sin add x5 add x4 add mul pow c div c c pow x5 div c c mul c mul x5 x1