Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 52
er as the arcs intercepted between their sides ; the arcs beingdescribed from the vertices of the angles as centres, with equalradii. Let ACB be the greater andACD the less angle. Let the less angle be placedon the greater. If the i)ropo-sition is not true, the angleACB w^ill be to the angle ACDas… … LOOK 111. S3 AB to be divided into equal parts, each of which is less thanDO ; there will be at least one point of division between D andO ; let 1 be that point ; and draw CI. The arcs AB, AI, will be10 each other as two whole numbers, and by the precedingtheorem, we shall have, the angle ACB :…
Trigonometry · Geometry
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