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Like the sine, the cosine and tangent are replaced with rational equivalents, called the "cross" and "twist", and Divine Proportions develops various analogues of trigonometric identities involving these quantities, [3] including versions of the Pythagorean theorem, law of sines and law of cosines. [4]
Having attending several of Norman Wildeberger's talks, the rationale behind rational trigonometry is that the concept of an angle belongs to a circle (ie, Euler's formula), and that the concept of spread is far more natural for a triangle (c.f. Thales' theorem). Angles and distance also break down in fields other than the real numbers, whereas ...
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Wildberger is a surname. Notable people with the surname include: Ed Wildberger, Missouri politician; Jacques Wildberger, Swiss composer; Norman J. Wildberger, mathematician known for rational trigonometry; Tina Wildberger, Hawaii politician
New Mexico State is moving on from athletic director Mario Moccia in the wake of an investigation that criticized the school's handling of the sexual abuse scandal that temporarily shut down the ...
Braden Smith had 22 points and seven assists to lead No. 20 Purdue to a 79-61 rout of Northwestern on Sunday. Smith, who scored 17 of his points in the first half, hit 8 of 16 shots for the ...
I just created this article, because Wildberger clearly needed an article, as he has made an important contribution to mathematics with his new subject known as "rational trigonometry."Dratman 01:56, 17 September 2011 (UTC) I think there have been changes since the Wikipedia:Articles for deletion/Norman J. Wildberger discussion. Wildberger is ...
New North Carolina head football coach Bill Belichick listens to a question during a press conference announcing his hiring at the Loudermilk Center for Excellence at UNC in Chapel Hill, N.C ...