cos-transact-sql.md

title	COS (Transact-SQL) | Microsoft Docs
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ms.date	07/24/2017
ms.prod	sql-non-specified
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f1_keywords	COS COS_TSQL
dev_langs	TSQL
helpviewer_keywords	cosine COS function
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COS (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-all_md]

Is a mathematical function that returns the trigonometric cosine of the specified angle, in radians, in the specified expression.

Transact-SQL Syntax Conventions

Syntax

-- Syntax for SQL Server, Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse  
  
COS ( float_expression )  

Arguments

float_expression
Is an expression of type float.

Return types

float

Examples

The following example returns the COS of the specific angle.

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

[!INCLUDEssResult]

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

Examples

[!INCLUDEssSDWfull] and [!INCLUDEssPDW]

The following example returns the COS of the specific angle.

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

[!INCLUDEssResult]

cosCalc1 cosCalc2

-------- --------

-0.58 0.99

See also

Mathematical Functions (Transact-SQL)