Y add 0.85 sub mul -79.10000000000001 x_1 mul 0.424 mul x_1 sub mul -1.8 pow2 sub mul 25.3 tan add -7.29 mul -9.0 x_0 mul -0.04 cos add 3.1 mul -0.28600000000000003 x_0 add mul -0.47600000000000003 x_1 mul 8.28 pow2 add 65.7 mul 1.71 x_1