Schmall, Charles Nelson. [from old catalog] · New York, D. Van Nostrand company · leaf 144
Fig. 103. x — h-\-x cos a -\- y cos /?,y = k -{- x sin a -^ y sin ^. TRANSFORMATION OF CO-ORDINATES 12: 94. To transform from one set of oblique axes toanother. Y … Fig. 104. TW is II to OY^ PL and ML are 11 to OY, MM^ is II to OXNow from A OL^M, and Also, from A PMM 0L= ^ sin (o) — a) sm o), sm asin u> ,^_-_, , sin(j8 — o>) and MP = y sm <o sin^sin a ^-r ^-r f TiT-Tt^/ ,sin(a> —a) ,sm(3 — (x))Now X = OL = OL- MM= ic —^ ^ - / —^-^ sm (o V = LP =…
Geometry, Analytic
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