Explain, using vector notation, how the equality of the angle of incidence and the…

MATHEMATICS · Subjective · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Explain, using vector notation, how the equality of the angle of incidence and the angle of reflection can be expressed in terms of the dot products of the unit incident vector s\mathbf{s}, the unit reflected vector r\mathbf{r} and the unit normal n^\hat{\mathbf{n}} to the reflecting surface.

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