ATAN() and ATAN2() functions are return some the arctangent : ATAN2 « Numeric Math Functions « Oracle PL / SQL

1. Oracle PL / SQL
2. Numeric Math Functions
3. ATAN2

ATAN() and ATAN2() functions are return some the arctangent

 

SQL>
Syntax:
ATAN(<numeric expression>)
ATAN2(<numeric expression1>,<numeric expression2>)
SQL>
SQL>
SQL>
SQL> SELECT    ATAN(.5) AS FIRST_RESULT,
  2     ATAN2(.5,1.0) AS SECOND_RESULT
  3  FROM DUAL;

FIRST_RESULT SECOND_RESULT
------------ -------------
  .463647609    .463647609

 

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