a 1 - x²) cos(nx) dx F(x 一九 4 sin(nл) — 4nл соs(nл) — 2n²л² sin(n) πη3

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 104E
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Show how it derived to 4sin(npi)-4npi cos(npi)-2n^2pi^2 sin(npi)/pin^3

an
П
1
F (x
-T
4 sin(nл)
||
- x²) cos(nx) dx
— 4nл соs(nл) — 2n²л² sin(nл)
πης
Transcribed Image Text:an П 1 F (x -T 4 sin(nл) || - x²) cos(nx) dx — 4nл соs(nл) — 2n²л² sin(nл) πης
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