Pow asec Add sec x0 x3 Pow E x0 
Mul Pow asec Add sec x0 x3 Add Pow E x0 -1 Add Mul Pow E x0 Mul Mul tan x0 sec x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add sec x0 x3 Add sec x0 x3 -1 Add sec x0 x3 Add sec x0 x3 -1 Mul Mul asec Add sec x0 x3 log asec Add sec x0 x3 Mul Pow E Add x0 -1 Mul E log E 