PostgreSQL ATAN
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Postgresql ATAN
This function returns the arc tangent of X. X is the value of tangent.
Syntax ATAN
X is the tangent value.
ATAN(X);
Example 1
postgres=# SELECT ATAN(-9);
atan
-----------------
-1.460139105621
(1 row)
Example 2
postgres=# SELECT ATAN(9);
atan
----------------
1.460139105621
(1 row)
