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.

Showing 1-3 of 3 results.

A019877 Decimal expansion of sine of 68 degrees.

Original entry on oeis.org

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

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Author

Keywords

Comments

An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Examples

			0.927183854...
		

Programs

Formula

Equals 2*A019843*A019865. - R. J. Mathar, Jan 17 2021

A019860 Decimal expansion of sine of 51 degrees.

Original entry on oeis.org

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

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Author

Keywords

Comments

An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Programs

Formula

A019954 Decimal expansion of tangent of 56 degrees.

Original entry on oeis.org

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

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Author

Keywords

Comments

Also the decimal expansion of cotangent of 34 degrees. - Ivan Panchenko, Sep 01 2014

Examples

			1.4825609685127402547871571491544300304798462314658470049847...
		

Crossrefs

Cf. A019865 (sine of 56 degrees).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); R:= RealField(); Tan(14*Pi(R)/45); // G. C. Greubel, Nov 22 2018
    
  • Mathematica
    RealDigits[Tan[14*Pi/45], 10, 100][[1]] (* G. C. Greubel, Nov 22 2018 *)
    RealDigits[Tan[56 Degree],10,120][[1]] (* Harvey P. Dale, Jan 18 2019 *)
  • PARI
    default(realprecision, 100); tan(14*Pi/45) \\ G. C. Greubel, Nov 22 2018
    
  • Sage
    numerical_approx(tan(14*pi/45), digits=100) # G. C. Greubel, Nov 22 2018
Showing 1-3 of 3 results.