OFFSET
0,1
COMMENTS
The Mathematica program includes a graph. See A197476 for a guide for the least x > 0 satisfying cos(b*x) = cos(c*x)^2 for selected b and c.
EXAMPLE
x=0.23665218693038860522192542220659860830733113...
MATHEMATICA
b = 1; c = 4 Pi; f[x_] := Cos[x]
t = x /. FindRoot[f[b*x] == f[c*x]^2, {x, .235, .237}, WorkingPrecision -> 110]
RealDigits[t] (* A197334 *)
Plot[{f[b*x], f[c*x]^2}, {x, 0, Pi/8}]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 15 2011
STATUS
approved