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"description": "Computes the inverse hyperbolic cosine of `x`. It is the inverse function of the hyperbolic cosine so that *`arcosh(cosh(x)) = x`*.\n\nNo-data values are passed through. `NaN` is returned for values outside of the allowed range.",
"categories": [
"math > trigonometric"
],
"parameters": [
{
"name": "x",
"description": "A number in the range *[1, +∞)*.",
"schema": {
"type": [
"number",
"null"
]
},
"minimum": 1
}
],
"returns": {
"description": "The computed hyperbolic angle in radians in the range *[0, +∞)*.",