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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

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

Examples

			0.882947592...
		

Links

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

Programs

PARI

sin(31/90*Pi) \\ Charles R Greathouse IV, Nov 06 2017

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