asin()

Applies to: ✅ Microsoft Fabric ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel

Calculates the angle whose sine is the specified number, or the arc sine. This is the inverse operation of sin().

Syntax

asin(x)

Learn more about syntax conventions.

Parameters

Name	Type	Required	Description
x	real	✔️	A real number in range [-1, 1] used to calculate the arc sine.

Returns

Returns the value of the arc sine of x. Returns null if x < -1 or x > 1.

Example

Run the query

asin(0.5)

Output

result
1.2532358975033751