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%I #19 Aug 21 2023 11:49:08
%S 9,9,9,3,9,0,8,2,7,0,1,9,0,9,5,7,3,0,0,0,6,2,4,3,4,4,0,0,4,3,9,2,9,9,
%T 6,4,4,9,5,2,3,6,3,0,6,6,6,9,9,9,6,7,7,3,1,0,3,9,0,0,4,0,8,0,1,0,9,4,
%U 8,6,1,8,9,1,8,3,3,2,6,5,2,5,4,9,5,0,4,5,3,4,4,6,4,2,2,3,6,4,4
%N Decimal expansion of sine of 88 degrees.
%C Equals sin(22*Pi/45). - _Wesley Ivan Hurt_, Sep 01 2014
%C An algebraic number of degree 24 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017
%H Ivan Panchenko, <a href="/A019897/b019897.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Al#algebraic_24">Index entries for algebraic numbers, degree 24</a>
%F Equals 2*A019853*A019855. - _R. J. Mathar_, Jan 17 2021
%e 0.9993908270190957300062434400439299644952363066699967731039004...
%p Digits:=100: evalf(sin(22*Pi/45)); # _Wesley Ivan Hurt_, Sep 01 2014
%t RealDigits[Sin[22 Pi/45], 10, 100, -1][[1]] (* _Wesley Ivan Hurt_, Sep 01 2014 *)
%o (PARI) cos(Pi/90) \\ _Charles R Greathouse IV_, Aug 27 2017
%K nonn,cons
%O 0,1
%A _N. J. A. Sloane_
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