[Blindmath] List of Common Unit Circle Trig Values

Jared Wright wright.jaredm at gmail.com
Fri Dec 5 00:57:53 CST 2008

Lloyd, Yes, certainly. I'll do something along those lines if such a 
resource proves evasive. Wouldn't want to do redundant work for myself, 
especially this time of year. Thanks.


Lloyd Rasmussen wrote:
> You could write a program in any number of languages to calculate 
> these values and output them to a file of your own design.  Or you 
> could set up an Excel spreadsheet which you could, optionally, save as 
> an HTML table.  This sounds like some of the technical braille tables 
> which Dr.  Tom Benham, W3DD, distributed to some of us more than 40 
> years ago.
> At 10:05 AM 12/4/2008, you wrote:
>> I for months have been living and dying by this fantastic Braille 
>> cheatsheet that outlined all the important values of the trig 
>> functions along the unit circle. All six trig functions for 
>> \frac{\pi}{2}, \frac{pi}{4}, \frac{7\pi}{6}, etc. Basically every 
>> angle in intervals of \frac{pi}{12} up through 2\pi, covering the 
>> entire circle in a very Braille-friendly table. Then I went and lost 
>> it. So before I make up another by hand, does anyone know where 
>> something like this in tabular form is, in LaTeX or some other 
>> accessible medium? Everything I can find is of course superimposed 
>> onto a circle, which isn't really the most intuitive way for speech 
>> and its serial mode of communication to get things through. Thanks 
>> for any suggestions.
>> All the best,
>> JW
> Lloyd Rasmussen, Senior Project Engineer, Engineering Section
> National Library Service for the Blind and Physically Handicapped
> Library of Congress    (202) 707-0535   <http://www.loc.gov/nls>
> HOME:  <http://lras.home.sprynet.com>
> The opinions expressed here are my own and do not necessarily 
> represent those of NLS.
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