A019944 Decimal expansion of tangent of 46 degrees.

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

Offset

1,3

Comments

Also the decimal expansion of cotangent of 44 degrees. - Ivan Panchenko, Sep 01 2014

Links

Ivan Panchenko, Table of n, a(n) for n = 1..1000

Example

1.0355303137905695069588325512481320249699384126523399634511...

Mathematica

RealDigits[Tan[23*Pi/90], 10, 100][[1]] (* G. C. Greubel, Nov 24 2018 *)
RealDigits[Tan[46 Degree], 10, 120][[1]] (* Harvey P. Dale, Jan 15 2022 *)

Prog

(PARI) default(realprecision, 100); tan(23*Pi/90) \\ G. C. Greubel, Nov 24 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(23*Pi(R)/90); // G. C. Greubel, Nov 24 2018
(Sage) numerical_approx(tan(23*pi/90), digits=100) # G. C. Greubel, Nov 24 2018

Crossrefs

Cf. A019855 (sine of 46 degrees).

Sequence in context: A077860 A261340 A078063 * A320477 A110551 A141334

Adjacent sequences: A019941 A019942 A019943 * A019945 A019946 A019947

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved