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Vector Projections

Let U and a be nonzero vectors

Show explicitly that the the angle between:

Proj a U = Projection of vector U along vector a


The vector U - Proj a U (vector component of U orthognal to a)

is a right angle (i.e show that the dot product of these two vectors is 0)

Solution Summary

Vector Projections are investigated. The solution is detailed and well presented.