A019909 Decimal expansion of tangent of 11 degrees.

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

Offset

0,2

Comments

Also the decimal expansion of cotangent of 79 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

0.19438030913771848424319422497682495518378015221466...

Mathematica

First[RealDigits[Tan[11 Degree], 10, 100]] (* Paolo Xausa, Nov 16 2025 *)

Prog

(PARI) tan(11*Pi/180) \\ Charles R Greathouse IV, Apr 30 2026

Crossrefs

Sequence in context: A082695 A373290 A236257 * A385742 A324002 A342947

Adjacent sequences: A019906 A019907 A019908 * A019910 A019911 A019912

Keyword

nonn,cons,easy

Author

N. J. A. Sloane

Status

approved