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Engineering Calculus Notes 56

Engineering Calculus Notes 56 - 44 CHAPTER 1 COORDINATES...

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44 CHAPTER 1. COORDINATES AND VECTORS A B C A B C 1 1 1 −→ w −→ u −→ v Figure 1.24: Theorem 1.3.3 where α = 1 | BC | β = 1 | AC | γ = 1 | AB | are the reciprocals of the lengths of the sides (each length is labelled by the Greek analogue of the name of the opposite vertex). (b) Show that the line A bisecting the angle A can be given as −→ p A ( r ) = (1 ) −→ a + −→ b + −→ c and the corresponding bisectors of
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