qb45qck.hlp (Table of Contents; Topic list)
COS Function QuickSCREEN
  QuickSCREEN      Details      Example      Contents      Index
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COS - a math function that returns the cosine of an angle given in
      radians
 
Syntax
  COS(numeric-expression)
    ■ numeric-expression, which may be of any type, is the angle, expressed
      in radians. See Details on how to convert degrees into radians.
 
See Also  SIN  TAN  ATN