cos2 s 2t to find L{sin² t} (1) (a) Use the identity sin? t = (b) Use (a) and the identity cos 2t = cos? t – sin? t to find L{cos² t}
cos2 s 2t to find L{sin² t} (1) (a) Use the identity sin? t = (b) Use (a) and the identity cos 2t = cos? t – sin? t to find L{cos² t}
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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Transcribed Image Text:1- cos 2t
(1) (a) Use the identity sin? t
to find L{sin² t}
2
(b) Use (a) and the identity cos 2t
cos t – sin?t to find L{cos² t}
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