sin-transact-sql.md

title	SIN (Transact-SQL)
description	SIN (Transact-SQL)
author	MikeRayMSFT
ms.author	mikeray
ms.date	03/03/2017
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
ms.custom	ignite-2025
f1_keywords	SIN_TSQL SIN
helpviewer_keywords	SIN function sine
dev_langs	TSQL
monikerRange	>=aps-pdw-2016 || =azuresqldb-current || =azure-sqldw-latest || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric || =fabric-sqldb

SIN (Transact-SQL)

[!INCLUDE sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw-fabricsqldb]

Returns the trigonometric sine of the specified angle, in radians, and in an approximate numeric, float, expression.

:::image type="icon" source="../../includes/media/topic-link-icon.svg" border="false"::: Transact-SQL syntax conventions

Syntax

SIN ( float_expression )  

Arguments

float_expression
Is an expression of type float or of a type that can be implicitly converted to float, in radians.

Return Types

float

Examples

The following example calculates the SIN for a specified angle.

DECLARE @angle FLOAT;  
SET @angle = 45.175643;  
SELECT 'The SIN of the angle is: ' + CONVERT(VARCHAR, SIN(@angle));  
GO  

[!INCLUDEssResult]

The SIN of the angle is: 0.929607                         
  
(1 row(s) affected)  

Examples: [!INCLUDEssazuresynapse-md] and [!INCLUDEssPDW]

The following example calculates the sine for a specified angle.

SELECT SIN(45.175643);  

[!INCLUDEssResult]

---------  
0.929607

See Also

Mathematical Functions (Transact-SQL)