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Math.acosh() 

Math.acosh(x) → number

Returns the hyperbolic arccosine of x.

Returns the hyperbolic arccosine of x. Returns NaN if x is less than 1.

Arguments

NameTypeRequiredDefaultDescription
x number optional — A number greater than or equal to 1.

Returns

number The hyperbolic arccosine of x.

Example

let a = Math.acosh(2); // 1.3169578969248166

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