Show that cos jx is orthogonal to cos kx in n, n for j k, j, k 1 ...

Assuming j and k are integers use the identity cosj k x cosj k x 2 cos jx ...

Show that cos jx is orthogonal to cos kx in [- n, n] for j k,

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Show that cos jx is orthogonal to cos kx in ℓ[- n, n] for j ≠ k, j, k ≥ 1.

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Linear Algebra A Modern Introduction

ISBN: 978-1285463247

4th edition

Authors: David Poole

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Question Posted: Apr 15, 2016 06:37 AM

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Show that cos jx is orthogonal to cos kx in [- n, n] for j k,

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Assuming j and k are integers use the identity cosj k x cosj k x 2 cos jx ...View the full answer

Linear Algebra A Modern Introduction

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