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COS()

Function Description

The COS() function returns the cosine value of the input parameter (denoted in radians).

Function Syntax

> COS(number)

Parameter definition

Parameters Description
number Required parameters, any numerical data type can be taken

Example

drop table if exists t1;
create table t1(a int,b float);
insert into t1 values(1,3.14159);
insert into t1 values(-1,1.57);

mysql> select cos(a),cos(b) from t1;
+------------------------------------------------------------------------------------------------------------------------------
| cos(a) | cos(b) |
+------------------------------------------------------------------------------------------------------------------------------
| 0.5403023058681398 | -0.999999999999967865 |
| 0.5403023058681398 | 0.000796274258662553 |
+------------------------------------------------------------------------------------------------------------------------------
2 rows in set (0.01 sec)