Question: (5) Let D be a reflection matrix; that is, there is some line W such that for every vector @ 8 in 8 the plane,

(5) Let D be a reflection matrix; that is, there is some line W such that for every vector @ 8 in 8 the plane, the product D. is the result of reflecting orthogonally over W. Suppose that we know D. V3 23 - [ V3/21 1/2 What is D? (4) Let E be a rotation matrix; that is, there is some angle 0 such that for every vector in the plane, the product E . is the result of rotating ac around the origin counter-clockwise by 0. Suppose that we know E . V3/2 V3/2 1/2 1/2 What is E

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