Y add mul div c c mul x2 mul x1 pow add mul c x1 mul c pow add c add mul c x2 add mul c x5 mul add x1 x5 cos x1 c c mul div c c mul x1 mul pow x2 c mul pow add c add mul c x2 add mul c x5 mul add x1 x5 cos x1 c add mul c x1 mul c pow add c add mul c x2 add mul c x5 mul add x1 x5 cos x1 c