A359540 Decimal expansion of arccosh(Pi).

1, 8, 1, 1, 5, 2, 6, 2, 7, 2, 4, 6, 0, 8, 5, 3, 1, 0, 7, 0, 2, 1, 8, 5, 2, 0, 4, 9, 3, 0, 5, 4, 2, 0, 5, 1, 0, 2, 2, 0, 7, 0, 2, 0, 8, 1, 0, 5, 7, 9, 2, 2, 4, 7, 4, 8, 6, 1, 5, 9, 5, 6, 2, 2, 9, 7, 4, 7, 2, 1, 4, 4, 9, 5, 3, 1, 6, 2, 0, 1, 4, 7, 6, 8, 4, 4, 5, 2, 3, 1, 0, 0, 3, 2, 6, 1, 7, 0, 2, 7, 5, 1, 4

Offset: 1

Author

Wolfe Padawer, Jan 05 2023

Keywords

• cons
• nonn

Examples

			1.811526272460853107021852049305420510220702081057922474861595622974...
		

References

• Jerome Spanier and Keith B. Oldham, "Atlas of Functions", Hemisphere Publishing Corp., 1987, chapter 31, page 291.

Links

• Michael I. Shamos, A catalog of the real numbers (2011).

Crossrefs

Cf. A189089.

Programs

Mathematica

RealDigits[Abs[ArcCos[Pi]], 10, 105][[1]]

PARI

-I*acos(Pi) \\ Hugo Pfoertner, Jan 24 2023

Formula

Equals |arccos(Pi)|.

Equals log(Pi + sqrt(Pi^2 - 1)) = log(A189089). - Amiram Eldar, Jan 05 2023