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In Problems 37-42, find $\|\mathbf{v}\|$. $\mathbf{v}=3 \mathbf{i}-4 \mathbf{j}$

   In Problems 37-42, find $\|\mathbf{v}\|$.
 $\mathbf{v}=3 \mathbf{i}-4 \mathbf{j}$

Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry

Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry

Michael Sullivan 4th Edition

Chapter 8, Problem 37

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In this case, $\mathbf{v} = 3\mathbf{i} - 4\mathbf{j}$. This means the vector $\mathbf{v}$ has components $3$ in the $\mathbf{i}$ direction (x-direction) and $-4$ in the $\mathbf{j}$ direction (y-direction). Show more…

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In Problems 37-42, find $\|\mathbf{v}\|$. $\mathbf{v}=3 \mathbf{i}-4 \mathbf{j}$

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