Pow Mul Add sech x4 sec tan x7 x6 Mul x2 Add Add -4 Mul 0.247466461547263 x0 x0 
Mul Pow Mul Add sech x4 sec tan x7 x6 Add Mul x2 Add Add -4 Mul 0.247466461547263 x0 x0 -1 Mul Mul Mul Add sech x4 sec tan x7 x6 log Mul Add sech x4 sec tan x7 x6 Mul x2 1.24746646154726 