Returns the inverse hyperbolic cosine of the specified number. The inverse hyperbolic cosine is the value whose hyperbolic cosine is n, so ACOSH(COSH(n)) equals n.
Syntax
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ACOSH( Number n ) → Number |
Parameters
- n
- Required. The number whose inverse hyperbolic cosine to find. Must be greater than or equal to 1.
Example
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=ACOSH(1) |