Mul Add Pow x0 pi -1 tanh sec Pow x0 Mul Add 0.555750445919774 x0 x4 
Add Mul tanh sec Pow x0 Mul Add 0.555750445919774 x0 x4 Mul Pow x0 Add pi -1 pi Mul Add Pow x0 pi -1 Mul Pow sech sec Pow x0 Mul Add 0.555750445919774 x0 x4 2 Mul Mul tan Pow x0 Mul Add 0.555750445919774 x0 x4 sec Pow x0 Mul Add 0.555750445919774 x0 x4 Mul Pow x0 Add Mul Add 0.555750445919774 x0 x4 -1 Add Mul Add 0.555750445919774 x0 x4 Mul Mul x0 log x0 x4 