Add Mul x2 -1 Add x6 Add Pow x4 Pow Mul Add 4 sec x0 x4 atan x5 x3 
Mul Pow x4 Add Pow Mul Add 4 sec x0 x4 atan x5 -1 Mul Mul x4 log x4 Mul Pow Mul Add 4 sec x0 x4 Add atan x5 -1 Mul atan x5 Mul x4 Mul tan x0 sec x0 