Oracle PL/SQL/Numeric Math Functions/TAN

TAN: Returns the tangent of a value

SQL>
SQL> -- create demo table
SQL> create table TestTable(
  2    ID                 VARCHAR2(4 BYTE)         NOT NULL,
  3    MyName             VARCHAR2(10 BYTE),
  4    MyDate             DATE,
  5    MyNumber           Number(8,2)
  6  )
  7  /
Table created.
SQL>
SQL>
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19960711","YYYYMMDD"),12.12);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19970622","YYYYMMDD"),-12.12);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19980513","YYYYMMDD"),22.1);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("19990624","YYYYMMDD"),-2.12);
1 row created.
SQL> insert into TestTable (ID, MyName, MyDate, MyNumber) values("1","Alison",to_date("20000415","YYYYMMDD"),2.1);
1 row created.
SQL>
SQL>
SQL> select * from TestTable
  2
SQL>
SQL> --TAN: Returns the tangent of a value
SQL> SELECT TAN(MyNumber*2*3.1416/360) FROM TestTable;
TAN(MYNUMBER*2*3.1416/360)
--------------------------
                .214747078
                -.21474708
                .406058943
                -.03701796
                .036668421
SQL>
SQL> drop table TestTable;
Table dropped.
SQL>
SQL>

TAN() returns the tangent of the <numeric expression> argument passed to it.

 
Syntax: TAN(<numeric expression>)

SQL>
SQL>
SQL> SELECT TAN(36) AS RESULT from dual;
    RESULT
----------
7.75047091
SQL>

TAN(x): Returns the tangent of x

SQL> --TAN(x): Returns the tangent of x.
SQL>
SQL> select TAN(0) from dual;
    TAN(0)
----------
         0
SQL>