Pow Add Pow 4 exp x0 Mul cot Pow x1 x0 x2 x6 
Mul Pow Add Pow 4 exp x0 Mul cot Pow x1 x0 x2 Add x6 -1 Mul x6 Add Mul Pow 4 Add exp x0 -1 Mul 5.38629436111989 exp x0 Mul x2 Mul Mul -1 Pow csc Pow x1 x0 2 Mul Pow x1 Add x0 -1 Mul x1 log x1 