Question: i+ (cos(t)) j find the acceleration vector at t = Given the curve r(t) = ( /4) i = a) Oa(t) b) Oa(t) =

i+ (cos(t)) j find the acceleration vector at t = Given the curve r(t) = ( /4) i = a) Oa(t) b) Oa(t) = == 2 c) Oa(t) = 2i - j j 2 d) Oa(t) = = 2 e) Oa(t) = 2i+ j T K

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