A019835 Decimal expansion of sine of 26 degrees.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Aug 27 2017

Examples

			0.43837114...
		

Links

• Ivan Panchenko, Table of n, a(n) for n = 0..1000
• Index entries for algebraic numbers, degree 12

Programs

Mathematica

RealDigits[Sin[26 Degree],10,120][[1]] (* Harvey P. Dale, Jul 23 2021 *)

PARI

sin(13*Pi/90) \\ Charles R Greathouse IV, Aug 27 2017

Formula

Equals 2*A019822*A019886. - R. J. Mathar, Jan 17 2021