Mul x0 Pow x7 Pow x6 Add acsc acoth sech x1 x0 
Add Pow x7 Pow x6 Add acsc acoth sech x1 x0 Mul x0 Mul Pow x7 Add Pow x6 Add acsc acoth sech x1 x0 -1 Mul Mul x7 log x7 Mul Pow x6 Add Add acsc acoth sech x1 x0 -1 Mul x6 log x6 