(a) If u and v have the same magnitude, show that u + v and u -...
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(a) If u and v have the same magnitude, show that u + v and u - v are orthogonal.
(b) Use this to prove that an angle inscribed in a semicircle is a right angle (see the figure).
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a Let u qibj and vaibj Then uvuv a ai b b ja ai bbj a aaab b b b 2 a a bb aba b 1 Si...View the full answer
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