Syntax
RADIANS(X)
Purpose
RADIANS() converts an angle X from the measure of degrees to radians and returns the radians equivalent of the angle. π radians are equivalent to 180 degrees.
Examples
obclient> SELECT RADIANS(-10), RADIANS(0), RADIANS(10), RADIANS(-0.5), RADIANS(0.5);
+----------------------+------------+---------------------+-----------------------+----------------------+
| RADIANS(-10) | RADIANS(0) | RADIANS(10) | RADIANS(-0.5) | RADIANS(0.5) |
+----------------------+------------+---------------------+-----------------------+----------------------+
| -0.17453292519943295 | 0 | 0.17453292519943295 | -0.008726646259971648 | 0.008726646259971648 |
+----------------------+------------+---------------------+-----------------------+----------------------+
1 row in set