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