OFFSET
0,1
COMMENTS
An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Aug 27 2017
LINKS
FORMULA
Also cos(19*Pi/90). - Charles R Greathouse IV, Aug 27 2017
EXAMPLE
0.7880107...
PROG
(PARI) sin(13*Pi/45) \\ Charles R Greathouse IV, Aug 27 2017
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved