OFFSET
0,1
LINKS
FORMULA
Equals arcsin(sqrt(5/11)) = arccos(sqrt(6/11)). - Amiram Eldar, Jul 06 2023
EXAMPLE
arctan(sqrt(5/6)) = 0.7398807743787407668731810834348...
MATHEMATICA
PROG
(PARI) atan(sqrt(5/6)) \\ G. C. Greubel, Aug 20 2018
(Magma) SetDefaultRealField(RealField(100)); Arctan(Sqrt(5/6)); // G. C. Greubel, Aug 20 2018
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Sep 23 2011
STATUS
approved