Most recent change of Trigonometry

Edit made on November 30, 2008 by GuestEditor at 12:48:47

Deleted text in red / Inserted text in green

[[[> ]]]

Trigonometry is, in theory, the study of triangles. The name itself
talks about "measuring" (metric) and triangles (trig).

However, it has now gone well beyond just triangles, and talks about
a great deal of geometry in general. In particular, /sin/ and /cos/
(and related functions) turn up everywhere in engineering and physics,
even though they are defined simply in terms of right-angled triangles.

[[[ _ |>> Plotting the /sin/ function <<| ]]]

Images courtesy of the wikipedia commons.

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