VMS Help FORTRAN, Intrinsic Procedures, COSD  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  COSD (number)

  A function that returns the cosine of the argument.  The argument
  must be in degrees; it is treated modulo 360.

  +------+---------+----------+------------+-------------+
  | Args | Generic | Specific |  Argument  | Result Type |
  +------+---------+----------+------------+-------------+
  |  1   |   COSD  | COSD     | REAL*4     | REAL*4      |
  |      |         | DCOSD    | REAL*8     | REAL*8      |
  |      |         | QCOSD    | REAL*16    | REAL*16     |
  +------+---------+----------+------------+-------------+