(a) Write by Eulers formula, expand, and equate real and imaginary parts to derive the identities (b)...
Question:
(a) Write
by Euler’s formula, expand, and equate real and imaginary parts to derive the identities
(b) Use the result of part (a) to find a general solution of
Transcribed Image Text:
cos 3x + i sin 3x = e3ix = (cos x + i sin x)³
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a Applying Eulers formula gives cos 3x i sin 3x cos x ...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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