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Math Help - Pi formula

  1. #1
    Junior Member
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    Pi formula

    Hey!

    I found this formula for pi, it's probably been found, but I want to share anyway (It was fun to get this):

     \pi = \lim_{n\rightarrow \infty} \frac{nsin(\frac{360}{n})}{2}

    Thanks!
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  2. #2
    Math Engineering Student
    Krizalid's Avatar
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    Nothing out the extraordinary, put x=\frac1n.
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  3. #3
    MHF Contributor
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    Quote Originally Posted by Skinner View Post
    Hey!

    I found this formula for pi, it's probably been found, but I want to share anyway (It was fun to get this):

     \pi = \lim_{n\rightarrow \infty} \frac{nsin(\frac{360}{n})}{2}

    Thanks!
    Did you derive that? How did you approach it?
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