arccos.json

{
    "id": "arccos",
    "summary": "Inverse cosine",
    "description": "Computes the arc cosine of `x`. The arc cosine is the inverse function of the cosine so that *`arccos(cos(x)) = x`*.\n\nWorks on radians only.\nThe no-data value `null` is passed through and therefore gets propagated.",
    "categories": [
        "math > trigonometric"
    ],
    "parameters": [
        {
            "name": "x",
            "description": "A number.",
            "schema": {
                "type": [
                    "number",
                    "null"
                ]
            }
        }
    ],
    "returns": {
        "description": "The computed angle in radians.",
        "schema": {
            "type": [
                "number",
                "null"
            ]
        }
    },
    "examples": [
        {
            "arguments": {
                "x": 1
            },
            "returns": 0
        }
    ],
    "links": [
        {
            "rel": "about",
            "href": "http://mathworld.wolfram.com/InverseCosine.html",
            "title": "Inverse cosine explained by Wolfram MathWorld"
        }
    ]
}