Question: Find (a) r'(t) (b) r(t) (c) r'(t) r(t). r(t) = 8 cos ti + 3 sin tj

Find

(a) r'(t)

(b) r"(t)

(c) r'(t) · r"(t).r(t) = 8 cos ti + 3 sin tj

r(t) = 8 cos ti + 3 sin tj

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