Find all solutions of the equation in the interval [0, 2𝜋). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
9 cos^3(x) = 9 cos x

Question

Find all solutions of the equation in the interval [0, 2𝜋). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)9 cos^3(x) = 9 cos x

Mark M. · Accepted Answer

cos3 x = cos xcos2 x = 1, assuming cos x ≠ 0cos x = ±1Can you solve for x and answer?

Find all solutions of the equation in the interval [0, 2𝜋). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 9 cos^3(x) = 9 cos x

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