exp Pow coth sec x0 asec Pow x0 x3 
Mul exp Pow coth sec x0 asec Pow x0 x3 Mul Pow coth sec x0 Add asec Pow x0 x3 -1 Add Mul asec Pow x0 x3 Mul Mul -1 Pow csch sec x0 2 Mul tan x0 sec x0 Mul Mul coth sec x0 log coth sec x0 Mul Mul Pow x0 Add x3 -1 x3 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Pow x0 x3 Pow x0 x3 -1 Pow x0 x3 Pow x0 x3 -1 