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A019891
Decimal expansion of sine of 82 degrees.
2
9, 9, 0, 2, 6, 8, 0, 6, 8, 7, 4, 1, 5, 7, 0, 3, 1, 5, 0, 8, 3, 7, 7, 4, 8, 6, 7, 3, 4, 4, 8, 5, 0, 7, 5, 9, 2, 5, 1, 0, 8, 9, 7, 9, 3, 7, 6, 8, 8, 8, 6, 5, 0, 0, 0, 8, 9, 7, 1, 4, 1, 2, 7, 6, 0, 0, 9, 9, 5, 8, 1, 7, 7, 2, 9, 3, 3, 6, 4, 5, 4, 9, 8, 9, 9, 1, 8, 6, 1, 6, 7, 5, 9, 6, 4, 9, 3, 0, 5
OFFSET
0,1
COMMENTS
An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 06 2017
FORMULA
Equals cos(2*Pi/45) = 2F1(17/30,13/30;1/2;3/4) / 2. - R. J. Mathar, Oct 27 2008
Equals sin(41*Pi/90). - Wesley Ivan Hurt, Aug 31 2014
EXAMPLE
0.9902680687415703150837748673448507592510897937688865000...
MAPLE
Digits:=100: evalf(sin(41*Pi/90)); # Wesley Ivan Hurt, Aug 31 2014
MATHEMATICA
First@RealDigits[Sin[82 Degree], 10, 120] (* Michael De Vlieger, Aug 31 2014 *)
PROG
(PARI) cos(2/45*Pi) \\ Charles R Greathouse IV, Nov 06 2017
CROSSREFS
Sequence in context: A021105 A334711 A176537 * A176536 A302711 A021838
KEYWORD
nonn,cons
AUTHOR
STATUS
approved