Mysql ACOS
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MySQL ACOS Function
This function returns the arc cosine of X input. It returns NULL when X is not the range -1 to 1.
Syntax ACOS
X is cosine value.
ACOS(X);
Example 1
mysql> SELECT ACOS(0); +-----------------+ | ACOS(0) | +-----------------+ | 1.5707963267949 | +-----------------+ 1 row in set (0.00 sec)
Example 2
mysql> SELECT ACOS(-0.3); +------------------+ | ACOS(-0.3) | +------------------+ | 1.87548898081029 | +------------------+ 1 row in set (0.00 sec)
