atan(x): Returns the inverse tangent of x : atan « Math Functions « PostgreSQL

1. PostgreSQL
2. Math Functions
3. atan

atan(x): Returns the inverse tangent of x

postgres=# -- atan(x): Returns the inverse tangent of x
postgres=# select atan(tan(1)) AS inverse_example;
 inverse_example
-----------------
               1
(1 row)

postgres=#
postgres=#

           
       

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