asin

asin(angle: Number): Number | NaN

Returns an arc sine value that can range from -pi/2 through pi/2.

If the absolute value of the input is greater than 1, the result is null.

Introduced in DataWeave version 2.4.0.

Parameters

Name Description

Name	Description
`angle`	Number to convert into its arc sine value.

angle

Number to convert into its arc sine value.

Example

This example shows how asin behaves with different inputs.

Source

%dw 2.0
import * from dw::util::Math
output application/json
---
{
  "asin0": asin(0),
  "asin13": asin(0.13),
  "asin-1": asin(-1),
  "asin1.1": asin(1.1)
}

Output

{
   "asin0": 0.0,
   "asin13": 0.1303689797031455,
   "asin-1": -1.5707963267948966,
   "asin1.1": null
 }