Add cosh Add x0 Pow x5 Pow cos sech x4 x0 5 
Mul sinh Add x0 Pow x5 Pow cos sech x4 x0 Add 1 Mul Pow x5 Add Pow cos sech x4 x0 -1 Mul Mul x5 log x5 Mul Pow cos sech x4 Add x0 -1 Mul cos sech x4 log cos sech x4 