Pow sec x0 Add Mul atan sec x7 Add Mul cos x0 x0 Mul Add Add x2 Mul x0 tan x0 x2 x0 Add x0 x0 
Mul Pow sec x0 Add Add Mul atan sec x7 Add Mul cos x0 x0 Mul Add Add x2 Mul x0 tan x0 x2 x0 Add x0 x0 -1 Add Mul Add Mul atan sec x7 Add Mul cos x0 x0 Mul Add Add x2 Mul x0 tan x0 x2 x0 Add x0 x0 Mul tan x0 sec x0 Mul Mul sec x0 log sec x0 Add Mul atan sec x7 Add Add Mul x0 Mul -1 sin x0 cos x0 Add Mul x0 Add tan x0 Mul x0 Pow sec x0 2 Add Add x2 Mul x0 tan x0 x2 2 