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File:	Content/ElementaryFunctions/arccos/arccos3
CVS-ID:
Author:	Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)
Description:	arccos (5 pi)
Sample Rendering:

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Source Code:

<math xmlns="http://www.w3.org/1998/Math/MathML">
      <apply>
        <arccos/>
        <apply>
          <times/>
          <cn>5</cn>
          <cn>&#x003C0;</cn>
        </apply>
      </apply>
    </math>