sech sec Pow Pow asec x0 exp tan coth sec x0 x1 
Mul Mul tanh sec Pow Pow asec x0 exp tan coth sec x0 x1 Mul -1 sech sec Pow Pow asec x0 exp tan coth sec x0 x1 Mul Mul tan Pow Pow asec x0 exp tan coth sec x0 x1 sec Pow Pow asec x0 exp tan coth sec x0 x1 Mul Pow Pow asec x0 exp tan coth sec x0 Add x1 -1 Mul x1 Mul Pow asec x0 Add exp tan coth sec x0 -1 Add Mul exp tan coth sec x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul x0 x0 -1 x0 x0 -1 Mul Mul asec x0 log asec x0 Mul exp tan coth sec x0 Mul Pow sec coth sec x0 2 Mul Mul -1 Pow csch sec x0 2 Mul tan x0 sec x0 