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