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Comparing Functions Winch of the following vector- valued functions represent the same graph?
(a) r(t)=(โ3 cos t + l)i + (5 sin t + 2)j 4 + 4k
(b) r(t)=4i + (โ3 cos t + l)j + (5 sin t + 2)k
(c) r(t)=(3 cos tโ l)i + (โ5 sin t โ2)j + 4k
(d) r(t)=(โ3 cos 2t + l)i + (5 sin 2t + 2)j + 4k
