Y add 0.5640000000000001 sub sub mul 9.98 mul pow3 add add mul -0.855 tan add -3.19 mul -0.278 x_1 mul 9.66 cos add 0.291 mul -1.92 x_2 mul 0.642 x_0 cos add 0.5760000000000001 mul -15.4 x_3 add mul -6.32 x_2 mul -0.7000000000000001 x_3 mul 6.78 x_4