PostgreSQL ATAN() function
ATAN() function
The PostgreSQL atan() function is used to return the inverse tangent of a given argument.
Syntax:
atan(a)
PostgreSQL Version: 9.3
Pictorial presentation of PostgreSQL ATAN() function

Example 1: PostgreSQL ATAN() function
Code:
SELECT ATAN(0) AS "Atan (0)";
Sample Output:
Atan (0) ---------- 0 (1 row)
Example 2: PostgreSQL ATAN() function
Code:
SELECT ATAN(1) AS "Atan (1)";
Sample Output:
Atan (1) ------------------- 0.785398163397448 (1 row)
Example 3: PostgreSQL ATAN() function
Code:
SELECT ATAN(2) AS "Atan (2)";
Sample Output:
Atan (2) ------------------ 1.10714871779409 (1 row)
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Next: ATAN2 function
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