Show that Formula 7 is valid if n = 0 or n is a negative integer.

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Elementary Linear Algebra with Applications

ISBN: 978-0471669593

9th edition

Authors: Howard Anton, Chris Rorres

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Question Posted: Jun 17, 2016 08:15 AM

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Show that Formula 7 is valid if n = 0 or n is a negative integer.

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Case 1 Suppose that n 0 Then cos i sin n 1 cos 0 i sin0 So Formula 7 is valid if n 0 Case 2 In ...View the full answer

Elementary Linear Algebra with Applications

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