Pow cosh x7 Pow x0 acot Add 0.881373587019543 x0 
Mul Pow cosh x7 Add Pow x0 acot Add 0.881373587019543 x0 -1 Mul Mul cosh x7 log cosh x7 Mul Pow x0 Add acot Add 0.881373587019543 x0 -1 Add acot Add 0.881373587019543 x0 Mul Mul x0 log x0 Mul -1 Pow Add 1 Mul Add 0.881373587019543 x0 Add 0.881373587019543 x0 -1 