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A019889 Decimal expansion of sine of 80 degrees. 1
9, 8, 4, 8, 0, 7, 7, 5, 3, 0, 1, 2, 2, 0, 8, 0, 5, 9, 3, 6, 6, 7, 4, 3, 0, 2, 4, 5, 8, 9, 5, 2, 3, 0, 1, 3, 6, 7, 0, 6, 4, 3, 2, 5, 1, 7, 1, 9, 8, 4, 2, 4, 1, 8, 7, 9, 0, 0, 2, 5, 7, 5, 2, 3, 5, 5, 8, 2, 7, 5, 9, 9, 9, 4, 3, 0, 3, 6, 2, 3, 9, 2, 7, 4, 6, 7, 8, 4, 1, 0, 0, 5, 6, 1, 1, 9, 8, 9, 9 (list; constant; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

Equals 2F1(7/12,5/12;1/2;3/4) / 2 . [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 27 2008]

MATHEMATICA

RealDigits[ Cos[Pi/18], 10, 111] (* RGWv *)

CROSSREFS

Sequence in context: A199862 A019720 A200117 * A010548 A011458 A155690

Adjacent sequences:  A019886 A019887 A019888 * A019890 A019891 A019892

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 16:51 EST 2012. Contains 205938 sequences.