Add Mul sec x7 sec Pow sech x0 Add Add x2 pi Mul Add x0 cos x0 x2 x1 
Mul sec x7 Mul Mul tan Pow sech x0 Add Add x2 pi Mul Add x0 cos x0 x2 sec Pow sech x0 Add Add x2 pi Mul Add x0 cos x0 x2 Mul Pow sech x0 Add Add Add x2 pi Mul Add x0 cos x0 x2 -1 Add Mul Add Add x2 pi Mul Add x0 cos x0 x2 Mul tanh x0 Mul -1 sech x0 Mul Mul sech x0 log sech x0 Mul x2 Add 1 Mul -1 sin x0 