Difference between revisions of "Documentation/How Tos/Calc: ACOSH function"
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== ACOSH == | == ACOSH == | ||
Returns the inverse hyperbolic cosine of a number. | Returns the inverse hyperbolic cosine of a number. | ||
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=== Syntax: === | === Syntax: === | ||
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: <tt>'''number'''</tt> must be greater than or equal to <tt>'''1'''</tt>. | : <tt>'''number'''</tt> must be greater than or equal to <tt>'''1'''</tt>. | ||
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=== Example: === | === Example: === | ||
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<tt>'''ACOSH(COSH(4))'''</tt> | <tt>'''ACOSH(COSH(4))'''</tt> | ||
: returns <tt>'''4'''</tt>. | : returns <tt>'''4'''</tt>. | ||
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=== See also: === | === See also: === | ||
Revision as of 06:36, 2 March 2008
ACOSH
Returns the inverse hyperbolic cosine of a number.
Syntax:
ACOSH(number)
- returns the inverse hyperbolic cosine of number, in other words the number whose hyperbolic cosine is number.
- number must be greater than or equal to 1.
Example:
ACOSH(1)
- returns 0.
ACOSH(COSH(4))
- returns 4.
