VMS Help RTL Routines, MTH$, MTH$xCOS  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The Cosine of Angle Expressed in Radians routine returns the
    cosine of a given angle (in radians).

    Format

      MTH$COS  angle-in-radians

      MTH$DCOS  angle-in-radians

      MTH$GCOS  angle-in-radians

      Each of the above formats accepts one of the floating-point
      types as input.

  Additional Information (explode) :

• Corresponding JSB Entry Points
• Returns
• Argument