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Math Help - Proof that this sine equation isn't solvable

  1. #1
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    Proof that this sine equation isn't solvable

    Hi,I need to show that the following equation is not solvable:
     \ddot{\theta}(t)+a\dot{\theta}(t)+b\sin\theta(t)+\  sin\left(ct\right)\sin\theta(t)=0
    Any idea? Thank you
    Last edited by isatis55; November 16th 2012 at 07:26 AM.
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  2. #2
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    Re: Proof that this sine equation isn't solvable

    Is \displaystyle \begin{align*} \theta \end{align*} a function of \displaystyle \begin{align*} t \end{align*}?
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  3. #3
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    Re: Proof that this sine equation isn't solvable

    \theta is a function of t.My idea was to use Laplace transorm on the equation, but I am not able to.
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