Y add 4.800000000000001 div cos add -75.8 mul -17.7 x_1 add mul -4.76 cos add 0.999 mul -7.930000000000001 x_1 add mul -77.9 mul pow2 add 0.008 mul -0.6880000000000001 x_2 x_1 mul -4.1 mul x_1 exp add 0.652 mul -85.60000000000001 x_0