23 lines
792 B
Markdown
23 lines
792 B
Markdown
---
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title: Eulers Formula
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---
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## Eulers Formula
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Eulers Formula is a mathematical identity which states that (for any value of x):
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e^(ix)=cosx+isinx
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This is of interest because of the following case:
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When x=pi, Euler's Formula gives the beautiful identity invovling pi, e, and i.
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e^(ipi)+1=0,
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A famous joke for mathematicians is "How many mathematicians does it take to change a light bulb?" and answers "-e^(ipi)"
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Can you tell what the answer is?
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#### More Information:
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Read more about Eulers Formula [here](http://mathworld.wolfram.com/EulerFormula.html)
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