Elements of geometry and trigonometry. Revised and adapted to the course of mathematical instruction in the United States (1856)
Legendre, A. M. (Adrien Marie), 1752-1833, Davies, Charles, 1798-1876 · New York : A.S. Barnes · leaf 335
330 SPEERICAL TEIGOXOMETRY … The Circular parts, as tlieyare called, are the two sides cand b, about the right angle,the complements of the obliqueangles B and C, and the com-plement of the hypothenuse a.Hence, there are five circularparts. The right angle A notbeing a circular part, is supposed not to separate the cir-cular…
Geometry · Trigonometry
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