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College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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![Three sinusoids with the same frequency are added together:
x(t) = 5.5 cos(wot + 2pi/3) + 7.5 cos(wot + 3pi/2) + 5 sin(wot + pi/4)
What is the Amplitude (A) of the sum signal when it is expressed as
x(t) = A cos(wot + 4) ?](https://content.bartleby.com/qna-images/question/8b5d3f26-cda5-43e5-8223-bfa02258241c/90d3f12a-a448-462f-a5e2-ab297f6317f9/yvsvvwa_thumbnail.png)
Transcribed Image Text:Three sinusoids with the same frequency are added together:
x(t) = 5.5 cos(wot + 2pi/3) + 7.5 cos(wot + 3pi/2) + 5 sin(wot + pi/4)
What is the Amplitude (A) of the sum signal when it is expressed as
x(t) = A cos(wot + 4) ?
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