Add Pow coth Add x6 tan x6 Pow sec x0 x0 x0 
Add Mul Pow coth Add x6 tan x6 Add Pow sec x0 x0 -1 Mul Mul coth Add x6 tan x6 log coth Add x6 tan x6 Mul Pow sec x0 Add x0 -1 Add Mul x0 Mul tan x0 sec x0 Mul sec x0 log sec x0 1 