A019843 Decimal expansion of sine of 34 degrees.

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

Offset

0,1

Comments

This sequence is also decimal expansion of cosine of 56 degrees. - Mohammad K. Azarian, Jun 29 2013

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Links

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

Index entries for algebraic numbers, degree 12

Formula

Equals 2*A019826*A019882. - R. J. Mathar, Jan 17 2021

Minimal polynomial 4096*x^12 -12288*x^10 -512*x^9 +13824*x^8 +1152*x^7 -7168*x^6 -864*x^5 +1680*x^4 +248*x^3 -144*x^2 -24*x +1. - R. J. Mathar, Jun 03 2026

Example

0.55919290...

Mathematica

RealDigits[Sin[34 Degree], 10, 120][[1]] (* Harvey P. Dale, Aug 03 2021 *)

Prog

(PARI) sin(17/90*Pi) \\ Charles R Greathouse IV, Nov 05 2017

Crossrefs

Sequence in context: A204188 A347682 A334383 * A335319 A046567 A199155

Adjacent sequences: A019840 A019841 A019842 * A019844 A019845 A019846

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved