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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Related Book For
Algebra And Trigonometry Graphs And Models
ISBN: 9780134179049
6th Edition
Authors: Marvin Bittinger, Judith Beecher, David Ellenbogen, Judith Penna
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