Pow 2 Pow x0 sqrt sec cos sec x0 
Mul Pow 2 Add Pow x0 sqrt sec cos sec x0 -1 Mul 2.69314718055995 Mul Pow x0 Add sqrt sec cos sec x0 -1 Add sqrt sec cos sec x0 Mul Mul x0 log x0 Mul Pow Mul 2 sqrt sec cos sec x0 -1 Mul Mul tan cos sec x0 sec cos sec x0 Mul Mul -1 sin sec x0 Mul tan x0 sec x0 