acos Mul Add Mul 0.602037239173300 sec Add 5 x0 Add x0 sec asec E pi 
Mul -1 Mul Mul pi Add Mul 0.602037239173300 Mul tan Add 5 x0 sec Add 5 x0 1 Pow sqrt Add 1 Mul -1 Mul Mul Add Mul 0.602037239173300 sec Add 5 x0 Add x0 sec asec E pi Mul Add Mul 0.602037239173300 sec Add 5 x0 Add x0 sec asec E pi -1 