Explain for me the step that I have put a circle shape
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Explain for me the step that I have put a circle shape

Transcribed Image Text:1:33 1
(ע1
14) = cos (27+) + sPo (4nt)+ sPn 1677)
kore are two govoctr srgnal with time
srgnale wPil
8 1, and 7z ej
porvocs g
T, oncl 12 . the
peroclic only when
a rakonal umber
, It) = COS (27+) => w, = 271=> T, = 27 -27 =)
T,= I
1g14)= Sinlunt) => w2= yn=7 12=2A
T2= 271
५
12=/2
13It)= sin (671¢)=> w3= 6=> 13=2
T3 = 271
6て
Now
T,
= 2
T2
T= 212
= T12
T12= 1
Step3
c)
NOw
T3
Tiz
= 3
T3
T12 and 13 a rah'onal
m14) eš pevoclic Ansue
the ruto
neember
So
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