

A199445


Decimal expansion of x>0 satisfying 2*x^2+3*x*sin(x)=3*cos(x).


2



6, 9, 5, 3, 5, 3, 4, 7, 3, 9, 9, 3, 8, 2, 9, 9, 4, 0, 1, 2, 0, 3, 8, 1, 3, 8, 5, 2, 4, 6, 4, 8, 8, 6, 1, 9, 3, 2, 8, 9, 2, 6, 7, 7, 1, 6, 8, 1, 8, 4, 6, 9, 4, 6, 1, 2, 9, 3, 2, 9, 7, 7, 9, 6, 6, 6, 2, 5, 2, 9, 3, 7, 6, 5, 8, 5, 1, 6, 6, 9, 6, 1, 8, 0, 6, 1, 9, 2, 6, 4, 7, 0, 0, 7, 1, 0, 7, 7, 8
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OFFSET

0,1


COMMENTS

See A199370 for a guide to related sequences. The Mathematica program includes a graph.


LINKS

Table of n, a(n) for n=0..98.


EXAMPLE

x=0.695353473993829940120381385246488619328926771...


MATHEMATICA

a = 2; b = 3; c = 3;
f[x_] := a*x^2 + b*x*Sin[x]; g[x_] := c*Cos[x]
Plot[{f[x], g[x]}, {x, Pi, Pi}, {AxesOrigin > {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .69, .70}, WorkingPrecision > 110]
RealDigits[r] (* A199445 *)


CROSSREFS

Cf. A199429.
Sequence in context: A069864 A011099 A003562 * A201297 A259928 A289265
Adjacent sequences: A199442 A199443 A199444 * A199446 A199447 A199448


KEYWORD

nonn,cons


AUTHOR

Clark Kimberling, Nov 06 2011


STATUS

approved



