radians(d): Returns radian equivalent to d degrees : radians « Math Functions « PostgreSQL

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2. Math Functions
3. radians

radians(d): Returns radian equivalent to d degrees

postgres=# -- radians(d): Returns radian equivalent to d degrees
postgres=# SELECT radians(180) AS half_circle,
postgres-#        radians(360) AS full_circle;
   half_circle    |   full_circle
------------------+------------------
 3.14159265358979 | 6.28318530717959
(1 row)

postgres=#
           
       

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