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MySQL | ACOS method
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schedule Jul 1, 2022
Last updated local_offer MySQL
Tags tocTable of Contents
expand_more MySQL's ACOS(~) method computes the arc cosine of the input value.
Parameters
1. X | number
Number in the range -1 to 1.
Return value
The arc cosine of the input number.
Examples
Basic usage
To return the arc cosine for 1:
SELECT ACOS(1);
+---------+| ACOS(1) |+---------+| 0 |+---------+
To return the arc cosine for -0.5:
SELECT ACOS(-0.5);
+--------------------+| ACOS(-0.5) |+--------------------+| 2.0943951023931957 |+--------------------+
Invalid input
If we specify an input outside of range -1 to 1:
SELECT ACOS(2);
+---------+| ACOS(2) |+---------+| NULL |+---------+
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Published by Arthur Yanagisawa
Edited by 0 others
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Official MySQL Documentation
https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html#function_acos
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