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A198425 Decimal expansion of x>0 having x^2+2x=3*sin(x). 2
7, 3, 6, 2, 3, 2, 1, 5, 0, 5, 5, 4, 7, 4, 8, 1, 9, 9, 5, 6, 0, 8, 9, 1, 8, 9, 2, 5, 8, 9, 0, 7, 6, 8, 1, 2, 9, 9, 3, 9, 8, 0, 5, 8, 9, 5, 5, 1, 3, 2, 5, 8, 2, 5, 9, 0, 5, 4, 8, 4, 3, 5, 5, 0, 3, 2, 9, 7, 8, 8, 2, 6, 6, 0, 0, 4, 3, 1, 9, 8, 5, 8, 4, 3, 7, 3, 4, 7, 0, 6, 9, 0, 4, 8, 8, 4, 7, 5, 2, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A198414 for a guide to related sequences.  The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=0..99.

EXAMPLE

0.7362321505547481995608918925890768129939...

MATHEMATICA

a = 1; b = 2; c = 3;

f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]

Plot[{f[x], g[x]}, {x, -.2, 1}]

r = x /. FindRoot[f[x] == g[x], {x, .73, .74}, WorkingPrecision -> 110]

RealDigits[r] (* A198425 *)

CROSSREFS

Cf. A198414.

Sequence in context: A021580 A194557 A241002 * A246203 A091682 A073016

Adjacent sequences:  A198422 A198423 A198424 * A198426 A198427 A198428

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 25 2011

EXTENSIONS

a(89) onwards corrected by Georg Fischer, Aug 01 2021

STATUS

approved

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Last modified October 21 04:00 EDT 2021. Contains 348141 sequences. (Running on oeis4.)