Alternatives:	(mml file)  (full) (simple) (plain) (form) (slideshow)
File:	Content/ElementaryFunctions/cos/cos1
CVS-ID:
Author:	Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)
Description:	cos pi
Sample Rendering:

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Source Code:

    <math xmlns="http://www.w3.org/1998/Math/MathML"> 
      <apply> 
        <cos/> 
        <cn>&pi;</cn> 
      </apply> 
    </math>