A019860 Decimal expansion of sine of 51 degrees.

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

Offset

0,1

Comments

An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Links

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

Wikipedia, Exact trigonometric constants

Index entries for algebraic numbers, degree 16

Formula

Equals A019843 * A019882 + A019826 * A019865 = A019857 * A019896 + A019812 * A019851. - R. J. Mathar, Jan 27 2021

Mathematica

RealDigits[Sin[51 Degree], 10, 120][[1]] (* Harvey P. Dale, Apr 10 2014 *)

Prog

(PARI) sin(17/60*Pi) \\ Charles R Greathouse IV, Nov 05 2017

Crossrefs

Sequence in context: A252799 A022619 A131685 * A011422 A051726 A139824

Adjacent sequences: A019857 A019858 A019859 * A019861 A019862 A019863

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved