sec Add Add x0 tan Mul x0 atanh sinh sech x3 pi 
Mul Mul tan Add Add x0 tan Mul x0 atanh sinh sech x3 pi sec Add Add x0 tan Mul x0 atanh sinh sech x3 pi Add 1 Mul Pow sec Mul x0 atanh sinh sech x3 2 atanh sinh sech x3 