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TAN (Transact-SQL)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Returns the tangent of the input expression.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database, Azure SQL Data Warehouse Public Preview.

Topic link icon Transact-SQL Syntax Conventions

TAN ( float_expression )

float_expression

Is an expression of type float or of a type that can be implicitly converted to float, interpreted as number of radians.

The following example returns the tangent of PI()/2.

SELECT TAN(PI()/2);

Here is the result set.

----------------------
1.6331778728383844E+16

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