In Exercises 5154, find all solutions of the equation in the interval [0, 2). Use a
Chapter 6, Problem 51(choose chapter or problem)
In Exercises 51–54, find all solutions of the equation in the interval \([0,2 \pi)\). Use a graphing utility to check your answers.
\(2 \cos ^{2} x-\cos x=1\)
Text Transcription:
[0, 2 pi)
2 cos^2 x − cos x = 1
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