Keep going! Check out the next lesson and practice what you’re learning:
https://www.khanacademy.org/science/electrical-engineering/ee-circuit-analysis-topic/ee-ac-analysis/v/ee-negative-frequency
A cosine wave emerges from Euler's Formula. Music, no narration. Created with d3.js
The background music is NirvanaVEVO by Chris Zabriskie. It is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://chriszabriskie.com/uvp/, Artist: http://chriszabriskie.com/
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