Question: Given r(t) (a) r 70 4 (b) r() (c) r J (77) 2 9 sec(t)i + 3 tan(t)j, find the following values (if possible).

Given r(t) (a) r 70 4 (b) r() (c) r J (77)

Given r(t) (a) r 70 4 (b) r() (c) r J (77) 2 9 sec(t)i + 3 tan(t)j, find the following values (if possible). (If an answer does not exist, enter DNE.)

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