The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A200368 Decimal expansion of least x>0 satisfying 2*x^2+3*x+3=tan(x). 2

%I

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

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

%U 9,6,7,7,4,0,4,0,4,4,1,6,8,0,1,6,1,4,0,3,0,1,9,1,5,7,6,0,9,0,5

%N Decimal expansion of least x>0 satisfying 2*x^2+3*x+3=tan(x).

%C See A200338 for a guide to related sequences. The Mathematica program includes a graph.

%e x=1.48683212223592901429768950945213424012682768999...

%t a = 2; b = 3; c = 3;

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

%t Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]

%t r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]

%t RealDigits[r] (* A200368 *)

%Y Cf. A200338.

%K nonn,cons

%O 1,2

%A _Clark Kimberling_, Nov 17 2011

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 23 03:15 EST 2022. Contains 350504 sequences. (Running on oeis4.)