tanh Add Mul Mul sech coth x0 Pow asec atanh pi 0.863691154450617 x0 Pow x0 -1.81844645923207 
Mul Pow sech Add Mul Mul sech coth x0 Pow asec atanh pi 0.863691154450617 x0 Pow x0 -1.81844645923207 2 Add Add Mul x0 Mul Pow asec atanh pi 0.863691154450617 Mul Mul tanh coth x0 Mul -1 sech coth x0 Mul -1 Pow csch x0 2 Mul sech coth x0 Pow asec atanh pi 0.863691154450617 Mul Pow x0 -2.81844645923207 -1.81844645923207 