Ononot — A vector \vec{v} = \begin{pmatrix} 4 \\ 2 \end{pmatrix} is r

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Transformationshard

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A vector $\vec{v} = \begin{pmatrix} 4 \\ 2 \end{pmatrix}$ is rotated counter-clockwise by $180^\circ$ about the origin. What is the resulting vector?