ASIN

Declaration

ASIN(X)

Description

Returns the inverse sine of X, which is the value whose sine is X. If X is not in the range [-1, 1], the function returns NULL.

Examples

SELECT ASIN(-10), ASIN(0), ASIN(10), ASIN(-0.5), ASIN(0.5);
+-----------+---------+----------+---------------------+--------------------+
| ASIN(-10) | ASIN(0) | ASIN(10) | ASIN(-0.5)          | ASIN(0.5)          |
+-----------+---------+----------+---------------------+--------------------+
|      NULL |       0 |     NULL | -0.5235987755982989 | 0.5235987755982989 |
+-----------+---------+----------+---------------------+--------------------+
1 row in set (0.001 sec)