cosh coth Mul Add cosh x0 Add 1.85081571768093 sinh Add x7 cos sech x3 3 
Mul sinh coth Mul Add cosh x0 Add 1.85081571768093 sinh Add x7 cos sech x3 3 Mul Mul -1 Pow csch Mul Add cosh x0 Add 1.85081571768093 sinh Add x7 cos sech x3 3 2 Mul 3 sinh x0 