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A019947
Decimal expansion of tangent of 49 degrees.
1
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
1,3
COMMENTS
Also the decimal expansion of cotangent of 41 degrees. - Ivan Panchenko, Sep 01 2014
LINKS
EXAMPLE
1.15036840722100955587633102556957036201446504813199958962645...
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 *)
PROG
(PARI) default(realprecision, 100); tan(49*Pi/180) \\ G. C. Greubel, Nov 24 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(49*Pi(R)/180); // G. C. Greubel, Nov 24 2018
(Sage) numerical_approx(tan(49*pi/180), digits=100) # G. C. Greubel, Nov 24 2018
CROSSREFS
Cf. A019858 (sine of 49 degrees).
Sequence in context: A062526 A264785 A197573 * A193182 A139399 A318525
KEYWORD
nonn,cons
STATUS
approved