(-1)" 4r n? x cos nx dx

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 29E
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Verify the value of the definite integral, where n is a positive integer.

(-1)" 4r
n?
x cos nx dx
Transcribed Image Text:(-1)" 4r n? x cos nx dx
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