Add Pow exp x1 x0 Pow x2 Mul Add -1 csc atan x0 x0 
Add Mul Pow exp x1 Add x0 -1 Mul exp x1 log exp x1 Mul Pow x2 Add Mul Add -1 csc atan x0 x0 -1 Mul Mul x2 log x2 Add Mul x0 Mul Mul Mul -1 cot atan x0 csc atan x0 Pow Add 1 Mul x0 x0 -1 Add -1 csc atan x0 