A019960 Decimal expansion of tangent of 62 degrees.

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

Offset

1,2

Comments

Also the decimal expansion of cotangent of 28 degrees. - Ivan Panchenko, Sep 01 2014

Links

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

Example

1.880726465346332012360837595829277955375637497775204546542514851...

Mathematica

RealDigits[Tan[62 Degree], 10, 120][[1]] (* Harvey P. Dale, Aug 20 2017 *)
RealDigits[Tan[31*Pi/90], 10, 100][[1]] (* G. C. Greubel, Nov 22 2018 *)

Prog

(PARI) default(realprecision, 100); tan(31*Pi/90) \\ G. C. Greubel, Nov 22 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(31*Pi(R)/90); // G. C. Greubel, Nov 22 2018
(Sage) numerical_approx(tan(31*pi/90), digits=100) # G. C. Greubel, Nov 22 2018

Crossrefs

Cf. A019871 (sine of 62 degrees).

Sequence in context: A243508 A144802 A275477 * A069527 A154492 A324686

Adjacent sequences: A019957 A019958 A019959 * A019961 A019962 A019963

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved