Oracle PL/SQL/Numeric Math Functions/TAN

TAN: Returns the tangent of a value

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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>

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

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Syntax: TAN(<numeric expression>)

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

   RESULT

---

7.75047091 SQL>

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TAN(x): Returns the tangent of x

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

   TAN(0)

---

        0

SQL>

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