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Prove that if |a| < 1 then a sin 0 a sin 0 + a² sin 20 + a°sin30 + · . . = 1– 2a cos 0 + a²°

Prove that if |a| < 1 then a sin 0 a sin 0 + a² sin 20 + a°sin30 + · . . = 1– 2a cos 0 + a²°

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Prove that if |a| < 1 then a sin 0 a sin 0 + a? sin 20 + a³sin30 + ·. 1– 2a cos 0 + a² °
Transcribed Image Text:Prove that if |a| < 1 then a sin 0 a sin 0 + a? sin 20 + a³sin30 + ·. 1– 2a cos 0 + a² °
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