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A200347 Decimal expansion of least x>0 satisfying x^2+2x+2=tan(x). 2
1, 4, 2, 6, 6, 3, 5, 1, 0, 9, 9, 3, 3, 0, 4, 3, 8, 0, 9, 0, 1, 4, 9, 2, 5, 7, 1, 1, 4, 9, 6, 1, 0, 4, 3, 4, 4, 2, 4, 9, 7, 2, 8, 1, 7, 6, 8, 0, 7, 7, 5, 4, 0, 6, 1, 2, 7, 6, 8, 6, 2, 5, 9, 1, 3, 8, 4, 4, 1, 5, 5, 0, 6, 0, 1, 5, 6, 7, 5, 3, 8, 3, 1, 8, 9, 4, 7, 0, 2, 4, 8, 5, 1, 8, 9, 8, 7, 9, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
See A200338 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
x=1.4266351099330438090149257114961043442497281...
MATHEMATICA
a = 1; b = 2; c = 2;
f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
RealDigits[r] (* A200347 *)
CROSSREFS
Cf. A200338.
Sequence in context: A228084 A344123 A188941 * A135853 A338915 A173197
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 16 2011
STATUS
approved

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Last modified March 19 06:32 EDT 2024. Contains 370953 sequences. (Running on oeis4.)