MathGroup Archive 2007

[Date Index] [Thread Index] [Author Index]

Search the Archive

Vieta infinite product formula

  • To: mathgroup at smc.vnet.net
  • Subject: [mg83805] Vieta infinite product formula
  • From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
  • Date: Sat, 1 Dec 2007 05:39:40 -0500 (EST)

  I just discovered, to my disappointment, that Mathematica does not  
know the classic Vieta infinite product formula:

  Sin[x]/x == Product[Cos[x]/2^k, {k, 1, Infinity}]

Shouldn't something be done about that?

Andrzej Kozlowski


  • Prev by Date: Re: Bug in SphericalPlot3D?
  • Next by Date: Re: how draw box with open front
  • Previous by thread: Re: Bug in SphericalPlot3D?
  • Next by thread: Re: Vieta infinite product formula