A199777 Decimal expansion of x>0 satisfying 2*x^2-3*x*cos(x)=4*sin(x).

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

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..99.

Index entries for transcendental numbers.

Example

1.48054633175491203776764305792327587329853...

Mathematica

a = 2; b = -3; c = 4;
f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -1, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.48, 1.49}, WorkingPrecision -> 110]
RealDigits[r]   (* A199777 *)

Crossrefs

Cf. A199597.

Sequence in context: A087264 A342995 A253191 * A200389 A195455 A195288

Adjacent sequences: A199774 A199775 A199776 * A199778 A199779 A199780

Keyword

nonn,cons,changed

Author

Clark Kimberling, Nov 10 2011

Status

approved