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MySQL | COS method

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MySQL
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Functions
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Numeric
schedule Jul 1, 2022
Last updated
local_offer MySQL
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MySQL's COS(~) method computes the cosine of the argument in radians.

Parameters

1. X | radians

Number given in radians.

Return value

The cosine of the input number.

Examples

Basic usage

To return the cosine for π / 2:

SELECT COS(PI()/2);
+-----------------------+
| COS(PI()/2) |
+-----------------------+
| 6.123233995736766e-17 |
+-----------------------+

To return the largest integer equal to or smaller than cosine for π / 2:

SELECT FLOOR(COS(PI()/2));
+--------------------+
| FLOOR(COS(PI()/2)) |
+--------------------+
| 0 |
+--------------------+

To return the cosine for :

SELECT COS(-PI());
+------------+
| COS(-PI()) |
+------------+
| -1 |
+------------+
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Published by Arthur Yanagisawa
Edited by 0 others
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