Question: need help with this!! (a) Using a trig identity, write x(t) - -4 cos(4t) + 3 sin( 4t) using only one cosine function. ac (t)

need help with this!!

(a) Using a trig identity, write x(t) - -4 cos(4t) + 3 sin( 4t) using only one cosine function. ac (t) help (formulas) (b) Using a trig identity, write a(t) = 4 cos(4t) + 3 sin(4t) using only one cosine function. ac (t) = help (formulas) (c) Using a trig identity, write x (t) = e-4t(-4 cos(4t) + 3 sin(4t) ) using only one cosine function in your answer. ac (t) = help (formulas) Hint

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