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A196767 Decimal expansion of the least x>0 satisfying 1=x*sin(x-pi/2), or, equivalently, -1=x*cos(x). 6
2, 0, 7, 3, 9, 3, 2, 8, 0, 9, 0, 9, 1, 2, 1, 4, 9, 0, 1, 1, 6, 7, 7, 7, 6, 2, 9, 7, 7, 9, 9, 3, 6, 0, 0, 6, 7, 9, 4, 6, 2, 1, 9, 5, 3, 1, 5, 2, 8, 5, 3, 0, 5, 4, 4, 6, 7, 9, 2, 9, 5, 2, 6, 7, 8, 5, 7, 8, 6, 8, 5, 6, 8, 8, 8, 6, 8, 7, 0, 2, 3, 2, 9, 9, 2, 8, 2, 1, 8, 4, 1, 3, 0, 6, 9, 9, 4, 6, 0, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..100.

EXAMPLE

x=2.073932809091214901167776297799360067946219531...

MATHEMATICA

Plot[{1/x, Sin[x], Sin[x - Pi/2], Sin[x - Pi/3], Sin[x - Pi/4]}, {x,

  0, 2 Pi}]

t = x /. FindRoot[1/x == Sin[x], {x, 1, 1.2}, WorkingPrecision -> 100]

RealDigits[t]  (* A133866 *)

t = x /. FindRoot[1/x == Sin[x - Pi/2], {x, 1, 2}, WorkingPrecision -> 100]

RealDigits[t]     (* A196767 *)

t = x /. FindRoot[1/x == Sin[x - Pi/3], {x, 1, 2}, WorkingPrecision -> 100]

RealDigits[t]   (* A196768 *)

t = x /. FindRoot[1/x == Sin[x - Pi/4], {x, 1, 2}, WorkingPrecision -> 100]

RealDigits[t]    (* A196769 *)

t = x /. FindRoot[1/x == Sin[x - Pi/5], {x, 1, 2}, WorkingPrecision -> 100]

RealDigits[t]   (* A196770 *)

t = x /. FindRoot[1/x == Sin[x - Pi/6], {x, 1, 2}, WorkingPrecision -> 100]

RealDigits[t]    (* A196771 *)

CROSSREFS

Cf. A196772.

Sequence in context: A300704 A300702 A105394 * A307216 A011343 A326731

Adjacent sequences:  A196764 A196765 A196766 * A196768 A196769 A196770

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 06 2011

STATUS

approved

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Last modified October 14 15:12 EDT 2019. Contains 328019 sequences. (Running on oeis4.)