OFFSET
0,1
FORMULA
Equals arctan((9 - 2*sqrt(14))/5). - Vaclav Kotesovec, Jul 01 2024
EXAMPLE
0.29451548510813694103475196456303627505036519094483792...
MATHEMATICA
f = FindRoot[Cos[ x] - Sin[ x ] == 2/3, {x, {0, 2}}, WorkingPrecision -> 500][[1, 2]][[1]]
RealDigits[f][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Jul 01 2024
STATUS
approved