Y add -4.58 div x_4 div add mul -19.5 x_5 mul -54.6 mul cos add -98.80000000000001 mul 44.400000000000006 x_3 x_0 add mul -69.10000000000001 inv add 0.21 mul -80.60000000000001 x_2 sub mul -3.0 div pow2 add 8.6 mul -0.47000000000000003 x_1 x_6 mul -0.518 inv add 79.0 mul 3.3000000000000003 x_6