acoth Mul Mul csc x4 Mul -2 Add x0 1 Pow sec sec E -0.275720564771783 
Mul Mul Pow sec sec E -0.275720564771783 Mul csc x4 -2 Pow Add 1 Mul -1 Mul Mul Mul csc x4 Mul -2 Add x0 1 Pow sec sec E -0.275720564771783 Mul Mul csc x4 Mul -2 Add x0 1 Pow sec sec E -0.275720564771783 -1 