tanh Pow x3 Add cos asec asinh Mul Add x3 Add Mul exp x7 3 pi x2 x0 
Mul Pow sech Pow x3 Add cos asec asinh Mul Add x3 Add Mul exp x7 3 pi x2 x0 2 Mul Pow x3 Add Add cos asec asinh Mul Add x3 Add Mul exp x7 3 pi x2 x0 -1 Mul x3 log x3 