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

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A199962 Decimal expansion of greatest x satisfying x^2 + 3*cos(x) = 4*sin(x). 3
 2, 2, 3, 5, 8, 0, 9, 2, 8, 2, 0, 6, 4, 5, 6, 9, 1, 2, 1, 1, 1, 5, 2, 6, 4, 1, 4, 8, 3, 1, 7, 0, 1, 9, 8, 4, 4, 2, 4, 8, 0, 4, 9, 2, 0, 3, 9, 2, 6, 5, 3, 9, 0, 4, 0, 4, 3, 4, 1, 5, 0, 9, 1, 3, 0, 2, 6, 0, 5, 2, 4, 8, 0, 6, 1, 5, 1, 6, 5, 3, 9, 7, 5, 3, 5, 0, 8, 8, 3, 7, 8, 7, 4, 1, 9, 3, 2, 6, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS See A199949 for a guide to related sequences. The Mathematica program includes a graph. LINKS G. C. Greubel, Table of n, a(n) for n = 1..10000 EXAMPLE least x: 0.7589622035176968518571982860561050925949... greatest x: 2.23580928206456912111526414831701984424... MATHEMATICA a = 1; b = 3; c = 4; f[x_] := a*x^2 + b*Cos[x]; g[x_] := c*Sin[x] Plot[{f[x], g[x]}, {x, -1, 3}, {AxesOrigin -> {0, 0}}] r = x /. FindRoot[f[x] == g[x], {x, .75, .76}, WorkingPrecision -> 110] RealDigits[r] (* A199961 *) r = x /. FindRoot[f[x] == g[x], {x, 2.2, 2.3}, WorkingPrecision -> 110] RealDigits[r] (* A199962 *) PROG (PARI) a=1; b=3; c=4; solve(x=2, 3, a*x^2 + b*cos(x) - c*sin(x)) \\ G. C. Greubel, Jun 23 2018 CROSSREFS Cf. A199949. Sequence in context: A337745 A253853 A127678 * A114990 A241421 A157176 Adjacent sequences: A199959 A199960 A199961 * A199963 A199964 A199965 KEYWORD nonn,cons AUTHOR Clark Kimberling, Nov 12 2011 STATUS approved

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

Last modified December 1 14:21 EST 2022. Contains 358468 sequences. (Running on oeis4.)