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%I #19 Aug 21 2023 11:51:32
%S 8,3,8,6,7,0,5,6,7,9,4,5,4,2,4,0,2,9,6,3,7,5,9,0,9,4,1,8,0,4,5,4,7,8,
%T 9,4,0,3,9,5,0,0,2,6,5,0,9,5,9,2,3,8,2,4,9,2,2,0,1,2,9,0,2,9,2,2,6,3,
%U 5,1,6,9,5,3,4,3,8,0,6,7,7,5,1,3,4,7,3,9,8,3,9,2,2,9,7,4,5,3,7
%N Decimal expansion of sine of 57 degrees.
%C An algebraic number of degree 16 and denominator 2. - _Charles R Greathouse IV_, Nov 05 2017
%H Ivan Panchenko, <a href="/A019866/b019866.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 A019847 * A019880 + A019828 * A019861 = A019863 * A019896 + A019812 * A019845. - _R. J. Mathar_, Jan 27 2021
%t RealDigits[Sin[57 Degree],10,120][[1]] (* _Harvey P. Dale_, Oct 30 2011 *)
%o (PARI) sin(19/60*Pi) \\ _Charles R Greathouse IV_, Nov 05 2017
%K nonn,cons
%O 0,1
%A _N. J. A. Sloane_
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