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# Use a trigonometric identity to show that 2m1 j=0 (cos mxj)2 = 2m

ISBN: 9780538733519 459

## Solution for problem 8 Chapter 8.6

Numerical Analysis | 9th Edition

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Problem 8

Use a trigonometric identity to show that 2m1 j=0 (cos mxj)2 = 2m.

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##### ISBN: 9780538733519

This textbook survival guide was created for the textbook: Numerical Analysis, edition: 9. Since the solution to 8 from 8.6 chapter was answered, more than 213 students have viewed the full step-by-step answer. Numerical Analysis was written by and is associated to the ISBN: 9780538733519. This full solution covers the following key subjects: . This expansive textbook survival guide covers 73 chapters, and 1135 solutions. The full step-by-step solution to problem: 8 from chapter: 8.6 was answered by , our top Math solution expert on 03/16/18, 03:30PM. The answer to “Use a trigonometric identity to show that 2m1 j=0 (cos mxj)2 = 2m.” is broken down into a number of easy to follow steps, and 13 words.

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