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The Fundamental Definitions and Propositions of Geometry, With Especial Reference to the Syllabus of the Association for the Improvement of Geometrical Teaching

I DESIRE to offer some suggestions respecting the form and arrangement of the elementary definitions and propositions of the Euclidian geometry. It has appeared to me that the recent German textbooks ...
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Correspondence Between Geometric and Differential Definitions of the Sine and Cosine

https://doi.org/10.4169/college.math.j.45.1.011 https://www.jstor.org/stable/10.4169/college.math.j.45.1.011 Summary In textbooks, the familiar sine and cosine ...