Solve, finding all solutions in [0, 2). 2 cos 2 x + 3 cos x = -1

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Solve, finding all solutions in [0, 2π).

2 cos2 x + 3 cos x = -1

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Algebra And Trigonometry Graphs And Models

ISBN: 9780134179049

6th Edition

Authors: Marvin Bittinger, Judith Beecher, David Ellenbogen, Judith Penna

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