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A199662 Decimal expansion of x<0 satisfying 3*x+cos(x)=0. 2
3, 1, 6, 7, 5, 0, 8, 2, 8, 7, 7, 1, 2, 2, 1, 1, 7, 1, 8, 8, 6, 7, 9, 6, 1, 8, 0, 6, 1, 0, 9, 6, 1, 7, 9, 7, 9, 9, 7, 1, 7, 1, 8, 9, 4, 6, 2, 9, 3, 3, 7, 5, 0, 8, 2, 0, 8, 4, 6, 3, 7, 9, 0, 0, 9, 7, 7, 1, 5, 3, 5, 3, 6, 2, 0, 4, 8, 6, 3, 3, 7, 5, 0, 5, 6, 7, 0, 8, 2, 3, 5, 6, 1, 1, 2, 2, 9, 4, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A199597 for a guide to related sequences.  The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=-0.3167508287712211718867961806109617979...

MATHEMATICA

a = 3; b = 1; c = 0;

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

Plot[{f[x], g[x]}, {x, -1, 1}, {AxesOrigin -> {0, 0}}]

r = x /. FindRoot[f[x] == g[x], {x, -.4, -.3}, WorkingPrecision -> 110]

RealDigits[r]  (* A199662 *)

CROSSREFS

Cf. A199597.

Sequence in context: A259454 A209696 A210749 * A280293 A226483 A103407

Adjacent sequences:  A199659 A199660 A199661 * A199663 A199664 A199665

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Nov 09 2011

STATUS

approved

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Last modified November 18 04:44 EST 2019. Contains 329248 sequences. (Running on oeis4.)