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
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 °](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc12a3358-77cb-4e4c-8e25-68008f46381b%2F2f65e498-01c8-4adf-93ed-073ff2f3b6e1%2Fhltuyw7_processed.png&w=3840&q=75)
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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