A019894 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A019894

Decimal expansion of sine of 85 degrees.

8

9, 9, 6, 1, 9, 4, 6, 9, 8, 0, 9, 1, 7, 4, 5, 5, 3, 2, 2, 9, 5, 0, 1, 0, 4, 0, 2, 4, 7, 3, 8, 8, 8, 0, 4, 6, 1, 8, 3, 5, 6, 2, 6, 7, 2, 6, 4, 5, 8, 5, 0, 9, 7, 4, 5, 2, 5, 4, 4, 2, 2, 7, 7, 3, 8, 0, 1, 1, 6, 7, 4, 9, 8, 3, 8, 2, 5, 1, 5, 9, 9, 6, 7, 4, 1, 8, 6, 3, 8, 6, 2, 5, 9, 6, 5, 1, 9, 2, 1

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

OFFSET

0,1

LINKS

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

Index entries for algebraic numbers, degree 12

FORMULA

Equals cos(Pi/36) = 2F1(13/24,11/24;1/2;3/4) / 2 . - R. J. Mathar, Oct 27 2008

Equals A019877 * A019882 + A019826 * A019831 = A019889 * A019894 + A019814 * A019819. - R. J. Mathar, Jan 27 2021

CROSSREFS

Sequence in context: A021505 A346930 A175571 * A347150 A346850 A344505

Adjacent sequences: A019891 A019892 A019893 * A019895 A019896 A019897

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved