(a) Write by Eulers formula, expand, and equate real and imaginary parts to derive the identities (b)...

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(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

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Differential Equations And Linear Algebra

ISBN: 9780134497181

4th Edition

Authors: C. Edwards, David Penney, David Calvis

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Question Posted: Aug 18, 2023 02:49 AM

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(a) Write by Eulers formula, expand, and equate real and imaginary parts to derive the identities (b)...

Question:

cos 3x + i sin 3x = e3ix = (cos x + i sin x)³

Step by Step Answer:

a Applying Eulers formula gives cos 3x i sin 3x cos x ...View the full answer

Differential Equations And Linear Algebra

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