tan Add log x0 Mul asinh sinh Mul Mul -0.250000000000000 Add -4 pi -2 Add Add -4 x0 5 
Mul Pow sec Add log x0 Mul asinh sinh Mul Mul -0.250000000000000 Add -4 pi -2 Add Add -4 x0 5 2 Add Pow x0 -1 asinh sinh Mul Mul -0.250000000000000 Add -4 pi -2 