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How did they get sin and cos term?

How did they get sin and cos term?

Introductory Circuit Analysis (13th Edition)
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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How did they get sin and cos term?
1 3 1 be re son and frequency fo- wo (HZ) 204 This differential equation has a complex solution. Xz A e J Wot * (A complex exponential function time) A is a complex number of So the form A- at ib 7 X X = A cas Wok + Ajsia Wote = (a + b) cos Wat + Caj-b) Sin Wot z said A real J part imaginary part (get -I multiply I's together)
Transcribed Image Text:1 3 1 be re son and frequency fo- wo (HZ) 204 This differential equation has a complex solution. Xz A e J Wot * (A complex exponential function time) A is a complex number of So the form A- at ib 7 X X = A cas Wok + Ajsia Wote = (a + b) cos Wat + Caj-b) Sin Wot z said A real J part imaginary part (get -I multiply I's together)
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