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Math Help - Subsequences

  1. #1
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    Joined
    Feb 2010
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    Subsequences

    I would like to know if anyone could help me understand how to find convergent subsequences of {sin((n*pie)/4)}.
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  2. #2
    Member mabruka's Avatar
    Joined
    Jan 2010
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    Mexico City
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    150
    Take the one with

    n= 4*m for all m.


    It is convergent to 0.
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