Y mul div c c mul pow x2 c mul pow mul pow x2 c mul pow add pow x5 c cos x3 c add x5 add x2 mul x3 mul x2 add pow x5 c cos x3 div c c mul pow add pow x5 c cos x3 c add mul x2 pow add pow x5 c cos x3 c mul add x5 x2 sin x3