A019931 Decimal expansion of tangent of 33 degrees.

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

Offset

0,1

Comments

Also the decimal expansion of cotangent of 57 degrees. - Ivan Panchenko, Sep 01 2014

Links

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

Wikipedia, Exact trigonometric constants

Index entries for algebraic numbers, degree 8.

Formula

Minimal polynomial x^8 +16*x^7 -60*x^6 -16*x^5 +134*x^4 -16*x^3 -60*x^2 +16*x +1. - R. J. Mathar, Jun 03 2026

Mathematica

RealDigits[Tan[33 Degree], 10, 120][[1]] (* Harvey P. Dale, Aug 02 2015 *)

Prog

(PARI) tan(11*Pi/60) \\ Charles R Greathouse IV, Apr 30 2026

Crossrefs

Sequence in context: A248930 A021158 A231535 * A195414 A333322 A348896

Adjacent sequences: A019928 A019929 A019930 * A019932 A019933 A019934

Keyword

nonn,cons,changed

Author

N. J. A. Sloane

Status

approved