Summers Haynes
12/08/2023 · Junior High School
Write the vector v in the form \( \mathrm{ai}+\mathrm{bj} \), given its magnitude \( \|\mathrm{v}\| \) and the angle \( \alpha \) it makes with the positive \( x \)-axis, \[ \alpha v=45^{\circ} \] \( \mathrm{v}=\square \) (Simplify your answer. Type an exact answer using radicals as needed. Type your answer in the form ai + bj.)
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\[
\mathbf{v} = \frac{\|\mathbf{v}\| \sqrt{2}}{2} \, \mathbf{i} + \frac{\|\mathbf{v}\| \sqrt{2}}{2} \, \mathbf{j}
\]
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