A019951 Decimal expansion of tangent of 53 degrees.

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

Offset

1,2

Comments

Also the decimal expansion of cotangent of 37 degrees. - Ivan Panchenko, Sep 01 2014

Links

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

Example

1.3270448216204100371594725740869324199060412955876230162...

Mathematica

RealDigits[Tan[53*Pi/180], 10, 100][[1]] (* G. C. Greubel, Nov 22 2018 *)

Prog

(PARI) default(realprecision, 100); tan(53*Pi/180) \\ G. C. Greubel, Nov 22 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(53*Pi(R)/180); // G. C. Greubel, Nov 22 2018
(Sage) numerical_approx(tan(53*pi/180), digits=100) # G. C. Greubel, Nov 22 2018

Crossrefs

Cf. A019862 (sine of 53 degrees).

Sequence in context: A266239 A018864 A271610 * A019971 A330501 A010606

Adjacent sequences: A019948 A019949 A019950 * A019952 A019953 A019954

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved