SOLUTION: Find all solutions of the equation below on the interval [0,2pi). Enter your answer as a comma-separated list of values or enter none if there is no solution. 2cos 3alpha =1

Question 827656: Find all solutions of the equation below on the interval [0,2pi). Enter your answer as a comma-separated list of values or enter none if there is no solution.
2cos 3alpha =1
Answer: Alpha =
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find all solutions of the equation below on the interval [0,2pi). Enter your answer as a comma-separated list of values or enter none if there is no solution.
2cos 3alpha = 1
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cos(3a) = 1/2
3a = pi/6 or -pi/6
Answer:: a = pi/18 or -pi/18
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