Add atan csc Add x5 atan Mul x0 x1 Pow pi Add x0 x0 
Add Mul Mul Mul Mul -1 cot Add x5 atan Mul x0 x1 csc Add x5 atan Mul x0 x1 Mul x1 Pow Add 1 Mul Mul x0 x1 Mul x0 x1 -1 Pow Add 1 Mul csc Add x5 atan Mul x0 x1 csc Add x5 atan Mul x0 x1 -1 Mul Pow pi Add Add x0 x0 -1 Mul Mul pi log pi 2 