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Summary

Description	English: For the depressed cubic $x^{3}+bx^{2}+cx+d=0$ with three real roots, the roots form an equilateral triangle with vertices A, B, and C in the circle.
Date	12 April 2013, 08:54:25
Source	w:File:Trigonometric interpretation of a cubic with three real roots.JPG
Author	DVdm, Duoduoduo

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File history

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	Date/Time	Dimensions	User	Comment
current	08:56, 13 April 2013	567 × 496 (14 KB)	DVdm	Consistency in radii to points A, B, C. Before: black dashed to A and B, red to C and θ-rotated points. After: Blue to A, B, C, red to θ-rotated points.
	21:44, 12 April 2013	567 × 496 (3 KB)	Mikhail Ryazanov	cropped to reasonable margins; removed JPEG artifacts
	06:56, 12 April 2013	721 × 561 (63 KB)	DVdm	User created page with UploadWizard