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MySQL | COS method
schedule Aug 10, 2023
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Tags 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 -π:
SELECT COS(-PI());
+------------+| COS(-PI()) |+------------+| -1 |+------------+
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_cos
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