Solve the following initial value problem for r as a function of t. Differential equation: frac{dr}{dt} = (4 an t)i + left( cos left( frac{1}{3}t ight) ight)j - (sec 4t)k Initial condition: r(0) = 3i - 2j + 3k r(t) = (Box)i + (Box)j + (Box)k
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