Mul Add Add Pow x2 x0 x0 Mul Mul atan pi asech Add x0 cot x4 sqrt x3 x0 
Add Mul x0 Add Add Mul Pow x2 Add x0 -1 Mul x2 log x2 1 Mul sqrt x3 Mul atan pi Pow Mul Mul Add x0 cot x4 Add x0 cot x4 sqrt Add 1 Mul -1 Pow Mul Add x0 cot x4 Add x0 cot x4 -1 -1 Add Add Pow x2 x0 x0 Mul Mul atan pi asech Add x0 cot x4 sqrt x3 