File:Weierstrass substitution.png

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Summary[edit]

Description

Geometric interpretation of the Weierstrass substitution

Date
Source Done in Mathematica by Fibonacci
Author Fibonacci


Public domain This chart is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship. For more information, see Commons:Threshold of originality § Charts

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Date/TimeThumbnailDimensionsUserComment
current05:59, 11 December 2005Thumbnail for version as of 05:59, 11 December 20051,600 × 800 (14 KB)Fibonacci (talk | contribs)Black, not grey, letters.
05:55, 11 December 2005Thumbnail for version as of 05:55, 11 December 20051,600 × 800 (14 KB)Fibonacci (talk | contribs)Letters for geometric deduction of the tangent half-angle formulae.
00:43, 11 December 2005Thumbnail for version as of 00:43, 11 December 20051,600 × 800 (10 KB)Fibonacci (talk | contribs)Okay, now it DOES look like a "t"...
00:36, 11 December 2005Thumbnail for version as of 00:36, 11 December 20051,600 × 800 (10 KB)Fibonacci (talk | contribs)Thicker lines, better visibility.
00:21, 11 December 2005Thumbnail for version as of 00:21, 11 December 20051,600 × 800 (10 KB)Fibonacci (talk | contribs)w:Tangent half-angle formula, or the Method of Last Resort (Weierstrass substitution) :<math>t=\tan({\varphi\over2})</math> {{Information| |Description = Tangent half-angle formula |Source = Done in Mathematica by [[User:Fibonacci

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