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