csc log acsc Add csc x0 x6 
Mul Mul Mul -1 cot log acsc Add csc x0 x6 csc log acsc Add csc x0 x6 Mul Mul -1 Mul Mul Mul -1 cot x0 csc x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add csc x0 x6 Add csc x0 x6 -1 Add csc x0 x6 Add csc x0 x6 -1 Pow acsc Add csc x0 x6 -1 