A019872 Decimal expansion of sine of 63 degrees.

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

Offset

0,1

Comments

An algebraic number of degree 8 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Links

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Wikipedia, Exact trigonometric constants

Index entries for algebraic numbers, degree 8

Formula

Equals A019851 * A019878 + A019830 * A019857 = A010527 * A019896 + A019812 * (1/2). - R. J. Mathar, Jan 27 2021

Mathematica

RealDigits[Sin[63 Degree], 10, 120][[1]] (* Harvey P. Dale, Oct 31 2018 *)

Prog

(PARI) sin(31/60*Pi) \\ Charles R Greathouse IV, Nov 06 2017

Crossrefs

Sequence in context: A222458 A351222 A370093 * A011421 A269947 A178839

Adjacent sequences: A019869 A019870 A019871 * A019873 A019874 A019875

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved