Add x3 atan Add x6 Add tanh Mul cosh x1 x0 Pow sec x0 x4 
Mul Add Mul Pow sech Mul cosh x1 x0 2 cosh x1 Mul Pow sec x0 Add x4 -1 Mul x4 Mul tan x0 sec x0 Pow Add 1 Mul Add x6 Add tanh Mul cosh x1 x0 Pow sec x0 x4 Add x6 Add tanh Mul cosh x1 x0 Pow sec x0 x4 -1 