A019885 Decimal expansion of sine of 76 degrees.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

Equals sin(19*Pi/45). - Wesley Ivan Hurt, Sep 01 2014

An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Examples

			0.970295726275996472306377874033990377632260852443082915656588...
		

Links

• Ivan Panchenko, Table of n, a(n) for n = 0..1000
• Index entries for algebraic numbers, degree 24

Programs

Maple

Digits:=100: evalf(sin(19*Pi/45)); # Wesley Ivan Hurt, Sep 01 2014

Mathematica

RealDigits[Sin[76 Degree],10,120][[1]] (* Harvey P. Dale, Dec 29 2013 *)

PARI

sin(19/45*Pi) \\ Charles R Greathouse IV, Nov 06 2017

Formula

Equals 2*A019847*A019861. - R. J. Mathar, Jan 17 2021