THE WORLD'S LARGEST WEB DEVELOPER SITE
HTML CSS JAVASCRIPT SQL PHP BOOTSTRAP HOW TO JQUERY W3.CSS ANGULARJS XML MORE FORUM EXAMPLES REFERENCES

MySQL ACOS() Function

❮ MySQL Functions

Example

Return the arc cosine of a number:

SELECT ACOS(0.25);
Try it Yourself »

Definition and Usage

The ACOS() function returns the arc cosine of a number.

Syntax

ACOS(number)

Parameter Values

Parameter Description
number Required. A numeric value

Note: The ACOS() function returns NULL, if number is not within the range of -1 to 1.

Technical Details

Works in: MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23

More Examples

Example

Return the arc cosine of a number:

SELECT ACOS(-0.8);
Try it Yourself »

❮ MySQL Functions