Function acos #
Calculate the inverse cosine of a value.
To avoid confusion with the matrix arccosine, this function does not apply to matrices.
Syntax #
math.acos(x)
Parameters #
| Parameter | Type | Description |
|---|---|---|
x |
number | BigNumber | Complex | Function input |
Returns #
| Type | Description |
|---|---|
| number | BigNumber | Complex | The arc cosine of x |
Throws #
Type | Description —- | ———–
Examples #
math.acos(0.5) // returns number 1.0471975511965979
math.acos(math.cos(1.5)) // returns number 1.5
math.acos(2) // returns Complex 0 + 1.3169578969248166 i
