In Exercises find the principal unit normal vector to the curve at the specified value of the
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In Exercises find the principal unit normal vector to the curve at the specified value of the parameter.
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r(t) = 3 cos 2ti + 3 sin 2tj + 3k, t =
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rt 3 cos 2ti 3 sin 2t j 3k t 4 ...View the full answer
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