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ORACLE ATAN() 본문

DB/ORACLE

ORACLE ATAN()

yeon.Biju 2020. 3. 24. 08:48

 오라클 ATAN()

 

ATAN return the arc tangent of n. The argument n can be in an unbounded range and returns a value in the range of -pi / 2to pi /2, expressed in radians.

 

SQL> SELECT ATAN(-2) FROM DUAL ;

   --> -1.10714871779409

 

 

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