csc Mul x0 sec Add Add x1 Pow sech x7 x0 coth x0 
Mul Mul Mul -1 cot Mul x0 sec Add Add x1 Pow sech x7 x0 coth x0 csc Mul x0 sec Add Add x1 Pow sech x7 x0 coth x0 Add sec Add Add x1 Pow sech x7 x0 coth x0 Mul x0 Mul Mul tan Add Add x1 Pow sech x7 x0 coth x0 sec Add Add x1 Pow sech x7 x0 coth x0 Add Mul Pow sech x7 Add x0 -1 Mul sech x7 log sech x7 Mul -1 Pow csch x0 2 