asin

description

Syntax

DOUBLE asin(DOUBLE x) Returns the arc sine of x, or nan if x is not in the range -1 to 1.

example

mysql> select asin(0.5);
+---------------------+
| asin(0.5)           |
+---------------------+
| 0.52359877559829893 |
+---------------------+
mysql> select asin(2);
+-----------+
| asin(2.0) |
+-----------+
|       nan |
+-----------+

keywords

ASIN