A019939 Decimal expansion of tangent of 41 degrees.

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

Offset

0,1

Comments

Also the decimal expansion of cotangent of 49 degrees. - Ivan Panchenko, Sep 01 2014

Links

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

Example

0.869286737816226662200095638703942090668090497782454839835731...

Mathematica

RealDigits[Tan[41*Pi/180], 10, 100][[1]] (* G. C. Greubel, Nov 25 2018 *)

Prog

(PARI) default(realprecision, 100); tan(41*Pi/180) \\ G. C. Greubel, Nov 25 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(41*Pi(R)/180); // G. C. Greubel, Nov 25 2018
(Sage) numerical_approx(tan(41*pi/180), digits=100) # G. C. Greubel, Nov 25 2018

Crossrefs

Cf. A019850 (sine of 41 degrees).

Sequence in context: A091506 A021539 A084893 * A343061 A318645 A021096

Adjacent sequences: A019936 A019937 A019938 * A019940 A019941 A019942

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved