A019950 Decimal expansion of tangent of 52 degrees.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

Also the decimal expansion of cotangent of 38 degrees. - Ivan Panchenko, Sep 01 2014

Examples

			1.279941632193078780311029847571991192123151885270459380700291...
		

Links

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

Crossrefs

Cf. A019861 (sine of 52 degrees).

Programs

Magma

SetDefaultRealField(RealField(100)); R:= RealField(); Tan(13*Pi(R)/45); // G. C. Greubel, Nov 23 2018

Mathematica

RealDigits[Tan[13*Pi/45], 10, 100][[1]] (* G. C. Greubel, Nov 23 2018 *)

PARI

default(realprecision, 100); tan(13*Pi/45) \\ G. C. Greubel, Nov 23 2018

Sage

numerical_approx(tan(13*pi/45), digits=100) # G. C. Greubel, Nov 23 2018