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Mathematics 7 Online
myininaya (myininaya):

@zarkon @jamesj I want to consider this matrix [[-1 0]],[1,0]] ...how do they get this matrix [[-1/sqrt(2), 1/sqrt(2)],[-1/sqrt(2), -1/sqrt(2)]]

myininaya (myininaya):

I think it is a rotation matrix that I'm suppose to be using...I just don't see it

myininaya (myininaya):

|dw:1330916304388:dw|

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