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I was thinking about finding the angle between two functions, so I thought it may be elegant to turn them into vector valued functions, and find the dot product at a given variable value where the vectors lie on the same plane and are functions of the same variable. I'm going to go away and try it, but what do you guys think about this?

What are the limitations of this method, and/or the advantages?

Thanks guys.

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# Dot product of vector function?

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