Returns the inverse cosine of a value, in radians.

Parameters

value Number (required) - The value for which to calculate the inverse cosine. Must be between -1 and 1, inclusive.

Returns

Number

ExamplesReturns the inverse hyperbolic cosine of a number.

Parameters

value Number (required) - The value for which to calculate the inverse hyperbolic cosine. Must be greater than or equal to 1.

Returns

Number

Examples

ACOSH(7)

// returns 2.6339157938496336

```js
ACOS(0.8)

// returns 0.6435011087932843

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