Consider the vector-valued function r(t) = (e t sin t)i + (e t cos t)j. Show that
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Consider the vector-valued function r(t) = (et sin t)i + (et cos t)j. Show that r(t) and r"(t) are always perpendicular to each other.
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rt e sin ti e cos tj r t e cost e sin ti rt rt ...View the full answer
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