sech Add x0 Add Add sqrt Pow x0 sec x0 x5 -1 
Mul Mul tanh Add x0 Add Add sqrt Pow x0 sec x0 x5 -1 Mul -1 sech Add x0 Add Add sqrt Pow x0 sec x0 x5 -1 Add 1 Mul Pow Mul 2 sqrt Pow x0 sec x0 -1 Mul Pow x0 Add sec x0 -1 Add sec x0 Mul Mul x0 log x0 Mul tan x0 sec x0 