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Converges to

  1. Dec 12, 2009 #1
    Converges to....

    If "b" is any constant number, what does the infinite sum

    [tex]\sum[/tex] [(-1)^n * b^(2n+2)] / (2n+2)!

    converge to (in terms of "b")?
  2. jcsd
  3. Dec 12, 2009 #2
    Re: Converges to....

    If the sum goes from zero to infinty, then I would say

    1 - \cos(b)
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