Analytic geometry and principles of algebra (1913)
Ziwet, Alexander, 1853-1928, Hopkins, Louis Allen, joint author, Hedrick, E. R. (Earle Raymond), 1876-1943 · New York, The Macmillan Company · leaf 33
from the ex-tremity of the vector OPi the vector P^P= OP.^; the closingline OP is the resultant. This leads at once to finding the 20 PLAXE ANALYTIC GEOMETRY [I, § 20 resiiltaut OP of any num-ber of vectors, by axldhtgthe component vectors geo-metricalhj, i.e. putting themtogether endwise… … EXERCISES 1. The cartesian coordinates .>:, y of any point P are the projections ofits racliiLS vector OP on the axes Ox. Oy. (See § 16.) 2. The projection of any vector AB on the axis Ox is the differenceof tlie abscissas of A and B ; similarly for Oy. 3. A force of 10 lb. is inclined to the…
Geometry, Analytic
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