# asin

### Description

Returns the angle (in radians) whose sine is specified.

### Syntax

asin(*sine*)

### Parameters

*sine*
is the sine of the angle, expressed as a column
name, variable, or constant of type *float*, *real*, *double
precision*, or any datatype that can be implicitly converted
to one of these types.

### Examples

*Example 1*

select asin(0.52)

--------------------
0.546851

### Usage

**asin**, a mathematical
function, returns the angle (in radians) whose sine is the specified
value.

For general information about mathematical functions,
see “Mathematical functions”.

### Standards

**SQL92** – Compliance level: Transact-SQL
extension.

### Permissions

Any user can execute **asin**.

### See also

**Functions** degrees, radians, sin