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

  SIN (number)

  A function that returns the sine of the argument.  The argument
  must be in radians; it is treated modulo 2*pi.
  +------+---------+----------+------------+-------------+
  | Args | Generic | Specific |  Argument  | Result Type |
  +------+---------+----------+------------+-------------+
  |  1   |  SIN    | SIN      | REAL*4     | REAL*4      |
  |      |         | DSIN     | REAL*8     | REAL*8      |
  |      |         | QSIN     | REAL*16    | REAL*16     |
  |      |         | CSIN     | COMPLEX*8  | COMPLEX*8   |
  |      |         | CDSIN    | COMPLEX*16 | COMPLEX*16  |
  |      |         | ZSIN     | COMPLEX*16 | COMPLEX*16  |
  +------+---------+----------+------------+-------------+