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MySQL | ACOS method

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Numeric
schedule Jul 1, 2022
Last updated
local_offer MySQL
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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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