OFFSET
1,3
COMMENTS
Side length of the largest equilateral triangle that can be inscribed in a unit square (as stated in MathWorld/Weisstein link).
A quartic integer. - Charles R Greathouse IV, Aug 27 2017
LINKS
Eric Weisstein's World of Mathematics, Equilateral Triangle.
FORMULA
EXAMPLE
1.03527618041008304939559535049...
MATHEMATICA
RealDigits[Sec[15 Degree], 10, 120][[1]] (* Harvey P. Dale, Jun 03 2015 *)
PROG
(PARI) sqrt(6) - sqrt(2) \\ Charles R Greathouse IV, Aug 27 2017
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Rick L. Shepherd, Jun 24 2006
STATUS
approved