Chapter 9: Problem 13
Determine the location of a point \((x, y, z)\) that satisfies the condition(s). \(|y| \leq 3\)
Chapter 9: Problem 13
Determine the location of a point \((x, y, z)\) that satisfies the condition(s). \(|y| \leq 3\)
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Get started for freeFind \(u \cdot v\). \(\|\mathbf{u}\|=40,\|\mathbf{v}\|=25,\) and the angle between \(\mathbf{u}\) and \(\mathbf{v}\) is \(5 \pi / 6\).
Find the angle between the diagonal of a cube and the diagonal of one of its sides.
Find the angle \(\theta\) between the vectors. $$ \begin{array}{l} \mathbf{u}=3 \mathbf{i}+2 \mathbf{j}+\mathbf{k} \\ \mathbf{v}=2 \mathbf{i}-3 \mathbf{j} \end{array} $$
In Exercises 77 and \(78,\) use vectors to find the point that lies two-thirds of the way from \(P\) to \(Q\). \(P(4,3,0), \quad Q(1,-3,3)\)
Find the angle \(\theta\) between the vectors. $$ \begin{array}{l} \mathbf{u}=2 \mathbf{i}-3 \mathbf{j}+\mathbf{k} \\ \mathbf{v}=\mathbf{i}-2 \mathbf{j}+\mathbf{k} \end{array} $$
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