OFFSET
1,1
FORMULA
Exact value: x = arccos(-(1/2) + 1/sqrt(2) - 1/2 sqrt(-1 + 2 sqrt(2)))
EXAMPLE
least positive x: 2.0589431288711381228941594943312845878...
MATHEMATICA
Solve[1/(2 + Sin[x]) + 1/(2 + Cos[x]) == 1, x]
u = ArcCos[-(1/2) + 1/Sqrt[2] - 1/2 Sqrt[-1 + 2 Sqrt[2]]]
u1 = N[u, 150]
RealDigits[u1, 10][[1]] (* A329960 *)
Plot[1/(2 + Sin[x]) + 1/(2 + Cos[x]) - 1, {x, -1, 3}]
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Jan 02 2020
STATUS
approved