cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A019947 Decimal expansion of tangent of 49 degrees.

Original entry on oeis.org

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

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Comments

Also the decimal expansion of cotangent of 41 degrees. - Ivan Panchenko, Sep 01 2014

Examples

			1.15036840722100955587633102556957036201446504813199958962645...
		

Crossrefs

Cf. A019858 (sine of 49 degrees).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); R:= RealField(); Tan(49*Pi(R)/180); // G. C. Greubel, Nov 24 2018
    
  • Mathematica
    RealDigits[Tan[49 Degree],10,120][[1]] (* Harvey P. Dale, Apr 18 2013 *)
    RealDigits[Tan[49*Pi/180], 10, 100][[1]] (* G. C. Greubel, Nov 24 2018 *)
  • PARI
    default(realprecision, 100); tan(49*Pi/180) \\ G. C. Greubel, Nov 24 2018
    
  • Sage
    numerical_approx(tan(49*pi/180), digits=100) # G. C. Greubel, Nov 24 2018
Showing 1-1 of 1 results.