A019885 - OEIS

%I #17 Aug 21 2023 11:49:42

%S 9,7,0,2,9,5,7,2,6,2,7,5,9,9,6,4,7,2,3,0,6,3,7,7,8,7,4,0,3,3,9,9,0,3,

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

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

%N Decimal expansion of sine of 76 degrees.

%C Equals sin(19*Pi/45). - _Wesley Ivan Hurt_, Sep 01 2014

%C An algebraic number of degree 24 and denominator 2. - _Charles R Greathouse IV_, Nov 06 2017

%H Ivan Panchenko, <a href="/A019885/b019885.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*A019847*A019861. - _R. J. Mathar_, Jan 17 2021

%e 0.970295726275996472306377874033990377632260852443082915656588...

%p Digits:=100: evalf(sin(19*Pi/45)); # _Wesley Ivan Hurt_, Sep 01 2014

%t RealDigits[Sin[76 Degree],10,120][[1]] (* _Harvey P. Dale_, Dec 29 2013 *)

%o (PARI) sin(19/45*Pi) \\ _Charles R Greathouse IV_, Nov 06 2017

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_.