10 Secret Trig Functions Your Math Teachers Never Taught You

Students in trigonometry are usually taught about six functions:

\sin \theta, \cos \theta, \tan \theta, \cot \theta, \sec \theta, \csc \theta

I really enjoyed this article about trigonometric functions that were used in previous generations but are no longer taught today, like \hbox{versin} \theta and \hbox{havercosin} \theta:

http://blogs.scientificamerican.com/roots-of-unity/10-secret-trig-functions-your-math-teachers-never-taught-you/

Naturally, Math With Bad Drawings had a unique take on this by adding a few more suggested functions to the list. My favorites:

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by John Quintanilla on April 14, 2016  •  Permalink
Posted in History, Humor, News Clips, Precalculus
Tagged , , ,

Posted by John Quintanilla on April 14, 2016

https://meangreenmath.com/2016/04/14/10-secret-trig-functions-your-math-teachers-never-taught-you/

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