Using Taylor series, prove that+4X(a) cos x = 1 - + —+...2!4!(b) sin x = x-+3ts+3! 5!+...

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Answered: Using Taylor series, prove that +4 X…

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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Using Taylor series, prove that +4 X (a) cos x = 1 - + —+... 2! 4! (b) sin x = x- +3 ts + 3! 5! +...