Y add -0.074 div cos add 0.419 mul 0.247 x_7 div sub sub mul 1.62 x_6 add mul 9.49 x_4 mul 29.200000000000003 div x_3 sub mul -92.60000000000001 x_0 mul 4.800000000000001 inv add -0.58 mul -31.1 x_2 mul 0.5680000000000001 x_5 x_1