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

need help with this problem!

(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 x (t) = 4 cos(4t) + 3 sin(4t) using only one cosine function. x (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. x(t - help (formulas)

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