%I #18 Aug 21 2023 11:51:33
%S 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,
%T 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,
%U 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
%N Decimal expansion of sine of 51 degrees.
%C An algebraic number of degree 16 and denominator 2. - _Charles R Greathouse IV_, Nov 05 2017
%H Ivan Panchenko, <a href="/A019860/b019860.txt">Table of n, a(n) for n = 0..1000</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Exact_trigonometric_constants">Exact trigonometric constants</a>
%H <a href="/index/Al#algebraic_16">Index entries for algebraic numbers, degree 16</a>
%F Equals A019843 * A019882 + A019826 * A019865 = A019857 * A019896 + A019812 * A019851. - _R. J. Mathar_, Jan 27 2021
%t RealDigits[Sin[51 Degree],10,120][[1]] (* _Harvey P. Dale_, Apr 10 2014 *)
%o (PARI) sin(17/60*Pi) \\ _Charles R Greathouse IV_, Nov 05 2017
%K nonn,cons
%O 0,1
%A _N. J. A. Sloane_