A195783 Decimal expansion of arcsec(8).

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

Offset: 1

Author

Clark Kimberling, Sep 24 2011

Keywords

• nonn
• cons

Examples

			arcsec(8)=1.44546849562683122235675470528266672405043697284888...
		

Links

• Index entries for transcendental numbers

Crossrefs

Cf. A195781, A195784.

Programs

Mathematica

(See A195781.)
RealDigits[ArcSec[8],10,120][[1]] (* Harvey P. Dale, May 08 2023 *)

PARI

acos(1/8) \\ Charles R Greathouse IV, Nov 21 2024

Formula

From Amiram Eldar, May 30 2021: (Start)

Equals Pi/2 - A195784.

Equals arcsin(3*sqrt(7)/8) = arccos(1/8) = arctan(3*sqrt(7)). (End)