Pow Add Mul csc x0 Add x1 2 acsc x3 cot x0 
Mul Pow Add Mul csc x0 Add x1 2 acsc x3 Add cot x0 -1 Add Mul cot x0 Mul Add x1 2 Mul Mul -1 cot x0 csc x0 Mul Mul Add Mul csc x0 Add x1 2 acsc x3 log Add Mul csc x0 Add x1 2 acsc x3 Mul -1 Pow csc x0 2 