: find cos The
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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The first pic is the question: find cos
The second pic is an answer
Unfortunately i did not get how he came up with that angle please explain it
Transcribed Image Text:10:514
ENGINEERING • ELECTRICAL-ENGINEERING
How to change it to cos
Expert Answer
Step1
a)
solve prob..
Step2
b)
answer of above ques....
x(t)=1/7 cos (3pit -150*)
Transcribed Image Text:1 Sin (3 76 t 120
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