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Prove that sin (n^2) + sin (n^3) is not a convergent

  1. Nov 9, 2007 #1
    Prove that [tex]\sin (n^2) + \sin (n^3)[/tex] is not a convergent sequence.
     
  2. jcsd
  3. Nov 11, 2007 #2

    quasar987

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    Unpleasant!
     
  4. Nov 11, 2007 #3

    mathwonk

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    how about just sin(n). thats already interesting. as opposed to sin(pi n) for example.
     
  5. Nov 12, 2007 #4
    I believe that is easier. Consider n=3,31,314,3141,31415,...
     
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