A019873 Decimal expansion of sine of 64 degrees.

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

Offset

0,1

Comments

An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Links

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

Index entries for algebraic numbers, degree 24

Formula

Equals 2*A019841*A019867. - R. J. Mathar, Jan 17 2021

Example

0.898794046...

Mathematica

RealDigits[Sin[64 Degree], 10, 120][[1]] (* Harvey P. Dale, May 09 2013 *)

Prog

(PARI) sin(16/45*Pi) \\ Charles R Greathouse IV, Nov 06 2017

Crossrefs

Sequence in context: A338856 A182999 A356532 * A274330 A216699 A011010

Adjacent sequences: A019870 A019871 A019872 * A019874 A019875 A019876

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved