A019920 Decimal expansion of tangent of 22 degrees.

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

Offset

0,1

Comments

Also the decimal expansion of cotangent of 68 degrees. - Mohammad K. Azarian, Jun 30 2013

Links

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

Index entries for algebraic numbers, degree 24.

Example

0.40402622583515681132234814357991027147237982007...

Mathematica

First[RealDigits[Tan[22 Degree], 10, 100]] (* Paolo Xausa, Nov 16 2025 *)

Prog

(PARI) tan(11*Pi/90) \\ Charles R Greathouse IV, Apr 30 2026

Crossrefs

Sequence in context: A306488 A230031 A391753 * A246130 A010675 A035673

Adjacent sequences: A019917 A019918 A019919 * A019921 A019922 A019923

Keyword

nonn,cons,easy

Author

N. J. A. Sloane

Status

approved