a. Since u v = |u ||v| cos , show that the inequality |u v|
Question:
a. Since u · v = |u ||v| cos θ, show that the inequality |u · v| ≤ |u||v| holds for any vectors u and v.
b. Under what circumstances, if any, does |u · v| equal |u||v|? Give reasons for your answer.
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a From the equation u v uv cos we can write uv cos u v Taking the absolute value of both sides we ha...View the full answer
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Related Book For 
Thomas Calculus Early Transcendentals
ISBN: 9780321884077
13th Edition
Authors: Joel R Hass, Christopher E Heil, Maurice D Weir
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