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Decimal expansion of sine of 25 degrees.
3

%I #18 Aug 21 2023 11:47:06

%S 4,2,2,6,1,8,2,6,1,7,4,0,6,9,9,4,3,6,1,8,6,9,7,8,4,8,9,6,4,7,7,3,0,1,

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

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

%N Decimal expansion of sine of 25 degrees.

%C An algebraic number of degree 12 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017

%H Ivan Panchenko, <a href="/A019834/b019834.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Al#algebraic_12">Index entries for algebraic numbers, degree 12</a>

%F Equals A019829 * A019894 + A019814 * A019879. - _R. J. Mathar_, Jan 27 2021

%t RealDigits[Sin[25 Degree],10,120][[1]] (* _Harvey P. Dale_, Mar 18 2018 *)

%o (PARI) sin(5*Pi/36) \\ _Charles R Greathouse IV_, Aug 27 2017

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_