Mathematics Question, Vectors? - Freemason Hirams Travels Masonic Forums

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04-29-2008, 09:23 AM

Roberto G

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Mathematics Question, Vectors?

Consider the following vector, A:

A= (4,-4)
and the mathematical operation of rotating this vector counterclockwise by some angle theta. A fancy way of saying this is that we act on the vector by an operator, R(theta).
With this in mind, what would be the vector if the angle is 90 degrees?
That is, what vector results from the operation:
R(90)*A

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