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

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)