COS (Transact-SQL)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric

A mathematical function that returns the trigonometric cosine of the specified angle - measured in radians - in the specified expression.

Transact-SQL syntax conventions

Syntax

COS ( float_expression )  

Arguments

float_expression
An expression of type float.

Return types

float

Examples

This example returns the COS value of the specified angle:

  DECLARE @angle FLOAT;  
SET @angle = 14.78;  
SELECT 'The COS of the angle is: ' + CONVERT(VARCHAR,COS(@angle));  
GO  

Here's the result set.

The COS of the angle is: -0.599465                        
  
(1 row(s) affected)  

Azure Synapse Analytics and Analytics Platform System (PDW)

This example returns the COS values of the specified angles:

SELECT COS(14.76) AS cosCalc1, COS(-0.1472738) AS cosCalc2;   

Here's the result set.

cosCalc1  cosCalc2
--------  --------
-0.58     0.99

See also

Mathematical Functions (Transact-SQL)