Question:

Is vector addition possible without Cartesian coordinates?

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Suppose I need to add some vectors of which I know the magnitude and direction. The result I need is the magnitude and direction of the final vector. I've been taught to do this:

polar -> cartesian -> (vector addition) -> cartesian -> polar

That is tedious. Is there a process to add vectors without finding the Cartesian components?

polar -> (vector addition) -> polar

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  1. If you're willing to extend your definition of "algebraically" to "I can punch it into my calculator", check the phasor addition section of

    http://en.wikipedia.org/wiki/Phasor

    It's basically a polar coordinate.

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