TAN

 TAN (real-number)

 Class:  Elemental function - Generic

 Returns the tangent of the argument.  The argument must be in
 radians; it is treated modulo 2*pi.

 +------+---------+----------+------------+-------------+        
 | Args | Generic | Specific |  Argument  | Result Type |
 +------+---------+----------+------------+-------------+
 |  1   |  TAN    | TAN      | REAL*4     | REAL*4      |
 |      |         | DTAN     | REAL*8     | REAL*8      |
 |      |         | QTAN     | REAL*16    | REAL*16     |
 +------+---------+----------+------------+-------------+