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A019873
Decimal expansion of sine of 64 degrees.
3
8, 9, 8, 7, 9, 4, 0, 4, 6, 2, 9, 9, 1, 6, 6, 9, 9, 2, 7, 8, 2, 2, 9, 5, 6, 7, 6, 6, 9, 5, 7, 8, 5, 3, 5, 4, 9, 2, 9, 9, 7, 3, 4, 1, 3, 8, 1, 8, 4, 2, 1, 8, 6, 9, 9, 3, 8, 1, 9, 6, 9, 6, 4, 4, 6, 1, 0, 4, 3, 0, 2, 7, 0, 9, 8, 9, 1, 4, 8, 9, 9, 9, 9, 1, 4, 8, 1, 5, 1, 3, 3, 9, 2, 2, 2, 3, 9, 7, 1
OFFSET
0,1
COMMENTS
An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Nov 06 2017
FORMULA
Equals 2*A019841*A019867. - R. J. Mathar, Jan 17 2021
EXAMPLE
0.898794046...
MATHEMATICA
RealDigits[Sin[64 Degree], 10, 120][[1]] (* Harvey P. Dale, May 09 2013 *)
PROG
(PARI) sin(16/45*Pi) \\ Charles R Greathouse IV, Nov 06 2017
CROSSREFS
Sequence in context: A338856 A182999 A356532 * A274330 A216699 A011010
KEYWORD
nonn,cons
STATUS
approved