MATH 112 Lecture 23: The law of cosines, theorem involving cosines and vectors, orthogonal projection, area and volume problems
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MATH 112 Lecture 22: the inner product, dot product, theorem, proof, length in R^n, solving with Pythagoras, vector length, unit vectors, distance in R^n, orthagonality
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MATH 112 Lecture 23: The law of cosines, theorem involving cosines and vectors, orthogonal projection, area and volume problems
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