Embedded in this post is the statement
>Remember that hyperbolic functions are based on a
hyperbolic whilst the
>regular trig functions are base upon the circle.
>regular trig functions are base upon the circle.
This should be corrected:
Remember that hyperbolic functions are based on a
hyperbolic
are base upon the circle.
You want the noun "hyperbola" here. "Hyperbolic"
is an adjective.
David Teague,
Advocating Free Software and
Double Bass tuned in
fifths
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----- Original Message -----
From: "Peter Kupfer" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, April 05, 2005 9:29 PM
Subject: Re: [authors] Ping: Daniel -- More Math
Questions...
> > --- Peter Kupfer <[EMAIL PROTECTED]> wrote:
> >
> >>Chris BONDE wrote:
> >>
> >>>Peter Kupfer wrote:
> >>>
> >>>
> >>>>Is the arc cosine of # the same as the inverse cosine? I think so, but I
> >>>>want to verify.
> >>>>
> >>>
> >>> From what I have learned and remember the arc is the same as the
> >>>inverse is the same as the function raised to a minus 1.
> >>>
> >>>
> >>>>Also, is it inconsistent to say that /=acos()/ finds the arc cosine of a
> >>>># while /=achosh/ find the inverse hyperbolic cosine of a number?
> >>>
> >>>Remember that hyperbolic functions are based on a hyperbolic whilst the
> >>>regular trig functions are base upon the circle.
> >
> >
> > Sorry to be replying to an older posting but maybe this Wolfram link would
> > help?
> >
> > http://mathworld.wolfram.com/InverseHyperbolicCosine.html
> >
> > Quoting from above link:
> >
> > " The inverse hyperbolic cosine (Beyer 1987, p. 181; Zwillinger 1995, p. 481),
> > sometimes called the area hyperbolic cosine (Harris and Stocker 1998, p. 264)
> > and sometimes denoted (Abramowitz and Stegun 1972, p. 87; Jeffrey 2000, p.
> > 124), is the multivalued function that is the inverse function of the
> > hyperbolic cosine. The variants and (Harris and Stocker 1998, p. 263) are
> > sometimes used to refer to explicit principal values of the inverse cotangent,
> > although this distinction is not always made. Worse yet, the notation is
> > sometimes used for the principal value, with being used for the multivalued
> > function (Abramowitz and Stegun 1972, p. 87). Note that in the notation , is
> > the hyperbolic cosine and the superscript -1 denotes an inverse function, not
> > the multiplicative inverse. "
> >
> > There are some neat graphs and some more info on the page.
> >
> >
> >
> > Rob Winchester
> > Download OpenOffice today!
> >
> >
> Thanks!
>
> --
> Peter Kupfer
> OOo user since 'OO4
> http://peschtra.tripod.com/open_office/ooo_front.htm
>
>
