A019871 - OEIS

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A019871

Decimal expansion of sine of 62 degrees.

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

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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...