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A019871
Decimal expansion of sine of 62 degrees.
4
8, 8, 2, 9, 4, 7, 5, 9, 2, 8, 5, 8, 9, 2, 6, 9, 4, 2, 0, 3, 2, 1, 7, 1, 3, 6, 0, 3, 1, 5, 7, 1, 9, 3, 8, 6, 0, 8, 3, 5, 3, 6, 6, 3, 1, 9, 9, 9, 5, 4, 2, 2, 3, 0, 4, 7, 6, 8, 6, 7, 7, 2, 8, 0, 7, 0, 3, 9, 7, 2, 8, 2, 8, 1, 0, 2, 4, 6, 2, 4, 8, 2, 9, 9, 1, 7, 1, 6, 8, 0, 5, 0, 3, 7, 5, 6, 2, 6, 2
OFFSET
0,1
COMMENTS
Am algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 06 2017
LINKS
FORMULA
Equals cos(7*pi/45) = 2F1(11/15,4/15;1/2;3/4) / 2. - R. J. Mathar, Oct 27 2008
Equals 2*A019840*A019868. - R. J. Mathar, Jan 17 2021
EXAMPLE
0.882947592...
PROG
(PARI) sin(31/90*Pi) \\ Charles R Greathouse IV, Nov 06 2017
CROSSREFS
Sequence in context: A344074 A377589 A011464 * A174235 A372776 A185266
KEYWORD
nonn,cons
STATUS
approved