Mul cot atanh log Mul x7 74.2099485247878 Pow x6 sech Mul Add Add x0 -4 sec x7 x6 
Mul cot atanh log Mul x7 74.2099485247878 Mul Pow x6 Add sech Mul Add Add x0 -4 sec x7 x6 -1 Mul Mul x6 log x6 Mul Mul tanh Mul Add Add x0 -4 sec x7 x6 Mul -1 sech Mul Add Add x0 -4 sec x7 x6 x6 