A019853 Decimal expansion of sine of 44 degrees.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

This sequence is also decimal expansion of cosine of 46 degrees. - Mohammad K. Azarian, Jun 29 2013

An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Examples

			0.69465837...
		

Links

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

Programs

Mathematica

RealDigits[Sin[44 Degree],10,120][[1]] (* Harvey P. Dale, Sep 22 2014 *)

PARI

sin(11/45*Pi) \\ Charles R Greathouse IV, Nov 05 2017

Formula

Equals 2*A019831*A019877. - R. J. Mathar, Jan 17 2021