Mul Add Mul 4 x2 1 Pow x0 Add Add -2 Add x5 acot sec x0 x0 
Mul Add Mul 4 x2 1 Mul Pow x0 Add Add Add -2 Add x5 acot sec x0 x0 -1 Add Add Add -2 Add x5 acot sec x0 x0 Mul Mul x0 log x0 Add Mul -1 Mul Mul tan x0 sec x0 Pow Add 1 Mul sec x0 sec x0 -1 1 