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What's the matrix that rotates vectors by \($\pi/6$\) counterclockwise?

 Feb 15, 2019
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\(R(\theta) = \begin{pmatrix}\cos(\theta) &-\sin(\theta)\\ \sin(\theta) &\cos(\theta) \end{pmatrix}\\ \text{rotates a vector by }\theta \text{ in the counter clockwise direction}\\ \text{I leave you to determine }R\left(\dfrac{\pi}{6}\right)\)

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 Feb 15, 2019

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