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A019969
Decimal expansion of tangent of 71 degrees.
1
2, 9, 0, 4, 2, 1, 0, 8, 7, 7, 6, 7, 5, 8, 2, 2, 8, 0, 2, 5, 7, 9, 3, 2, 5, 5, 3, 4, 5, 2, 7, 0, 9, 1, 2, 5, 4, 0, 3, 1, 2, 6, 1, 9, 2, 1, 8, 4, 6, 2, 2, 1, 6, 6, 8, 3, 6, 3, 0, 2, 4, 7, 1, 1, 3, 9, 3, 7, 3, 9, 8, 9, 5, 2, 7, 7, 3, 0, 3, 3, 9, 8, 5, 0, 1, 1, 1, 4, 3, 0, 9, 6, 7, 6, 8, 8, 3, 9, 6
OFFSET
1,1
COMMENTS
Also the decimal expansion of cotangent of 19 degrees. - Ivan Panchenko, Sep 01 2014
LINKS
EXAMPLE
2.904210877675822802579325534527091254031261921846221668363...
MATHEMATICA
RealDigits[Tan[71 Degree], 10, 120][[1]] (* Harvey P. Dale, Apr 07 2014 *)
PROG
(PARI) default(realprecision, 100); tan(71*Pi/180) \\ G. C. Greubel, Nov 21 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(71*Pi(R)/180); // G. C. Greubel, Nov 21 2018
(Sage) numerical_approx(tan(71*pi/180), digits=100) # G. C. Greubel, Nov 21 2018
CROSSREFS
Cf. A019880 (sine of 71 degrees).
Sequence in context: A201893 A264920 A324833 * A185362 A140239 A221200
KEYWORD
nonn,cons
STATUS
approved