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# Linear Transformation help... watch

1. If is a line in that passes through the origin at an angle to the -axis, then reflection in this line is a linear transformation of . What is the 2x2 matrix that corresponds to this linear transformation?
I'd appreciate any help. Thank you.
2. Anyone?
3. Shameless bump.
4. It is a linear transformation. Draw a picture, and figure out where (0,1) and (1,0) go after they are reflected. Then what is your matrix?

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