Use and ATAN and ATAN2 : ATAN « Math « SQL / MySQL

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2. Math
3. ATAN

Use and ATAN and ATAN2

/*
mysql> select ATAN(1, 2);
+------------------+
| ATAN(1, 2)       |
+------------------+
| 0.46364760900081 |
+------------------+
1 row in set (0.00 sec)

mysql> select ATAN2(1, 2);
+------------------+
| ATAN2(1, 2)      |
+------------------+
| 0.46364760900081 |
+------------------+
1 row in set (0.00 sec)


*/  
select ATAN(1, 2);
select ATAN2(1, 2);
           
       

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