log atan Pow x4 Add csc x0 x2 
Mul Mul Mul Pow x4 Add Add csc x0 x2 -1 Mul Mul x4 log x4 Mul Mul -1 cot x0 csc x0 Pow Add 1 Mul Pow x4 Add csc x0 x2 Pow x4 Add csc x0 x2 -1 Pow atan Pow x4 Add csc x0 x2 -1 