Y add -8.56 sub mul 0.459 cos add mul 0.67 x_0 add mul -0.538 x_4 mul 4.15 x_3 mul -9.790000000000001 pow2 sub sub mul 4.64 x_2 mul -0.75 x_2 mul 6.6000000000000005 cos add -3.7800000000000002 mul 2.24 x_1