# Findin the Equation of a Reflecting Line

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Determine if the following orthogonal matrix represents a rotation or a reflection of the plane with respect to the standard basis. Find the equation of the reflecting line.

- -

|3/5 4/5 |

|4/5 -3/5 |

- -.

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##### Solution Summary

The equation of a reflecting line is found from an orthogonal matrix. The solution is detailed and well presented.

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