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A200705 Decimal expansion of least x>0 satisfying 1-10*x^2=tan(x). 1
2, 6, 9, 1, 0, 9, 6, 7, 1, 2, 7, 8, 9, 4, 6, 5, 6, 6, 5, 2, 2, 4, 7, 0, 6, 4, 8, 2, 1, 9, 0, 2, 1, 0, 5, 8, 8, 3, 5, 6, 2, 1, 2, 2, 4, 0, 2, 4, 2, 2, 0, 3, 0, 8, 0, 4, 9, 1, 0, 9, 0, 4, 2, 1, 6, 2, 3, 8, 2, 2, 1, 7, 3, 9, 0, 8, 7, 4, 5, 0, 3, 9, 0, 8, 0, 3, 0, 7, 1, 4, 4, 5, 9, 5, 3, 2, 3, 4, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
See A200614 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
x=0.2691096712789465665224706482190210588356212...
MATHEMATICA
a = -10; c = 1;
f[x_] := a*x^2 + 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, .2, .3}, WorkingPrecision -> 110]
RealDigits[r] (* A200710 *)
CROSSREFS
Cf. A200338.
Sequence in context: A046728 A110984 A021792 * A154468 A197142 A129635
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 21 2011
STATUS
approved

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Last modified June 15 00:47 EDT 2024. Contains 373402 sequences. (Running on oeis4.)