sec atanh Add cot Pow x0 x6 -1 
Mul Mul tan atanh Add cot Pow x0 x6 -1 sec atanh Add cot Pow x0 x6 -1 Mul Mul Mul -1 Pow csc Pow x0 x6 2 Mul Pow x0 Add x6 -1 x6 Pow Add 1 Mul -1 Mul Add cot Pow x0 x6 -1 Add cot Pow x0 x6 -1 -1 