## Introduction to Quaternions |

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apply ARITHMETIC Assistant becomes BEGINNERS BOOK Cambridge centre chord circle CLASSICAL College condition cone conjugate constant course diameter direction drawn Edited ELEMENTARY ellipse ellipsoid ENGLISH equal equation Examples Exercises expression extremities Fcap Fellow formula GEOMETRY given given point gives GRAMMAR GREEK Hence HISTORY Illustrated intersection John late LATIN Lecturer Litt.D LL.D locus Master Mathematics meet multiple obvious operator origin parabola parallel pass perpendicular PHYSICS Pott 8vo preparation PRIMER problem Prof Professor Prove pure reader respectively revised right angles rotation satisfied scalar School Selected sides Similarly squares straight line strain surface tangent plane Teachers Translated TREATISE triangle unit vectors University values whence write written

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Page 50 - Thus, for" example, he to whom the geometrical proposition, that the angles of a triangle are together equal to two right angles...

Page 87 - A point moves so that the sum of the squares of its distances from the points (0, 0), (1, 0) is constant.

Page 83 - THEOREM. Every section of a sphere, made by a plane, is a circle.