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