Use trigonometric identities to find general solutions of the equations in Problems 44 through 46. y'' +
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Use trigonometric identities to find general solutions of the equations in Problems 44 through 46.
y'' + 9y = sin4 x
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We substitute sin4 1 1 1 cos2x 12 cos 2x cos2x We find that on the ...View the full answer
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Related Book For
Differential Equations And Linear Algebra
ISBN: 9780134497181
4th Edition
Authors: C. Edwards, David Penney, David Calvis
Question Posted:
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