A360700 Decimal expansion of arcsec(Pi).
1, 2, 4, 6, 8, 5, 0, 2, 1, 9, 8, 6, 2, 9, 1, 5, 8, 9, 9, 2, 5, 0, 3, 6, 8, 8, 6, 1, 0, 1, 0, 9, 7, 7, 6, 0, 6, 4, 2, 5, 8, 2, 8, 5, 7, 4, 2, 1, 5, 4, 3, 1, 5, 8, 4, 9, 5, 0, 4, 1, 0, 9, 1, 7, 8, 9, 4, 3, 2, 3, 9, 7, 3, 9, 6, 2, 2, 0, 1, 6, 0, 9, 1, 2, 1, 6, 7, 9, 3, 5, 3, 7, 3, 2, 1, 0, 4, 1, 9, 0, 2, 0, 4, 8, 0
Offset: 1
Examples
1.246850219862915899250368861010977606425828574215431584950410917894...
Links
- Michael I. Shamos, A catalog of the real numbers (2011).
Programs
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Mathematica
RealDigits[ArcSec[Pi], 10, 105][[1]]
Formula
Equals Pi/2 - arccsc(Pi) = Pi/2 - A360701.
Equals arcsin(sqrt(1 - 1/Pi^2)).
Equals arctan(sqrt(Pi^2 - 1)).
Equals |arcsech(Pi)|.
Equals arccos(1/Pi).