Drsoccerball
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- 2015
Re: HSC 2015 3U Marathon
![](https://latex.codecogs.com/png.latex?\bg_white \frac{cosx -1}{x} $ differenciate top and bottom $ )
![](https://latex.codecogs.com/png.latex?\bg_white \frac{-sinx}{1} Lim_{x \to 0} =0 [] )
Even though not in the syllabus:L'hopital's?
That's kind of wrong, since your denominator "x" approaches 0 too.
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