OFFSET
1,2
EXAMPLE
x=1.863045308248699224069793204693635418...
MATHEMATICA
Plot[{1/x + .42, Sin[x]}, {x, 0, 2 Pi}]
t = x /. FindRoot[-1 == (x^2) Cos[x], {x, 1.5, 2.5}, WorkingPrecision -> 100]
RealDigits[t] (* A196773 *)
c = N[-1/t + Sin[t], 100]
RealDigits[c] (* A196774 *)
slope = N[-1/t^2, 100]
RealDigits[slope](* A196775 *)
RealDigits[x/.FindRoot[x^2 Cos[x]+1, {x, 1/4}, WorkingPrecision->120], 10, 120][[1]] (* Harvey P. Dale, Dec 14 2023 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 06 2011
STATUS
approved