Y add 0.647 sub mul 7.69 mul sub mul -8.05 x_2 add mul -8.620000000000001 div tan add -1.18 mul 8.120000000000001 x_2 pow3 add -46.900000000000006 mul -0.34900000000000003 x_1 mul 9.67 x_4 x_3 mul -0.606 x_0