4. A fundamental set of solutions of x' = 1 5 -2 3 x is: -2t -2t Cos 3t 2 sin 3t Cos 3t + sin 3t (b) { (:)- e2t + sin 3t e2t cos 3t - sin 3t 2 Cos 3t (c) e2t e2t cos 3t 3 + sin 3t Cos 32 sin 3t + sin 2t 3 + sin 2t Cos 2t Cos 2t (e) None of the above.

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A:

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Q: Which of the following is a possible equation for the following trigonometric function?

A: To find which of the given equation is possible equation for the trigonometric function.

Q: Find all solutions to the equation cos(x) = √√3 2 in the interval [7, 2ë].

A: We can find the answer in the below steps.

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A: