OFFSET
2,2
COMMENTS
Also the decimal expansion of cotangent of 3 degrees. - Mohammad K. Azarian, Jun 29 2013
An algebraic integer of degree 8. - Charles R Greathouse IV, Aug 27 2017
LINKS
Ivan Panchenko, Table of n, a(n) for n = 2..1000
Wikipedia, Exact trigonometric constants
MATHEMATICA
RealDigits[Tan[87 Degree], 10, 120][[1]] (* Harvey P. Dale, Sep 08 2015 *)
PROG
(PARI) tan(87*Pi/180) \\ Charles R Greathouse IV, Aug 27 2017
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved