For the following exercises, solve exactly on the interval [0, 2π).Use the quadratic formula if the equations do not factor. 3cos 2 x − 2cos x − 2 = 0

Chapter 7, 7.5 Exercises #45

For the following exercises, solve exactly on the interval [0, 2π).Use the quadratic formula if the equations do not factor.

3cosx − 2cos x − 2 = 0

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Precalculus

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Authors: Jay Abramson

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