Math.acos
Math.acos
Function
Arc cosine. Returns the arccosine of value in radians.
Syntax
Math.acos(value)
Parameters
| Parameters | Type | Required | Default value | Description |
|---|---|---|---|---|
| value | Number | Yes | None | The number involved in the calculation. |
Return value
| Type | Description |
|---|---|
| Int/Float | Returns the arc cosine of value in radians. An Int is returned for integer results, and a Float for non-integer or non-finite results. |
Example
result = Math.acos(1) // Output: 0 print result
Notes
- Return NaN according to the f64 rule when exceeding [-1, 1].