asec Mul -2.31243834127275 sech sec x0 
Mul Mul -2.31243834127275 Mul Mul tanh sec x0 Mul -1 sech sec x0 Mul tan x0 sec x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Mul -2.31243834127275 sech sec x0 Mul -2.31243834127275 sech sec x0 -1 Mul -2.31243834127275 sech sec x0 Mul -2.31243834127275 sech sec x0 -1 