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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 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Am algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

LINKS

Ivan Panchenko, Table of n, a(n) for n = 0..1000

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: A185280 A344074 A011464 * A174235 A185266 A210630

Adjacent sequences:  A019868 A019869 A019870 * A019872 A019873 A019874

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 22 23:22 EDT 2021. Contains 348182 sequences. (Running on oeis4.)