Pow 5 Pow Mul atan x5 x0 Pow sech x6 x0 
Mul Pow 5 Add Pow Mul atan x5 x0 Pow sech x6 x0 -1 Mul 6.60943791243410 Mul Pow Mul atan x5 x0 Add Pow sech x6 x0 -1 Add Mul Pow sech x6 x0 atan x5 Mul Mul Mul atan x5 x0 log Mul atan x5 x0 Mul Pow sech x6 Add x0 -1 Mul sech x6 log sech x6 