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    Cos()

         Calculates a cosine number

    Syntax:

         Cos( nNumber ) -> nCos

         nNumber : The number to calculate the cosine from

    Description:

         Calculates a cosine number with a numeric method.

         Warning!!
         The number has to be in radians, not degrees.

    Return:

         The specified cosine number or Nil if the number is not
         specified.

    Example:

         Cos( 0 )    //  1.00
See Also: Deg2Rad() NumPi() Rad2Deg() Sin()
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