Friday, December 14, 2018

Calculus - finding the difficult limit $lim_{x to 0} frac{1-(cos x)^{sin x}}{x^2}$

I'm struggling with the following limit:


$$\lim_{x \to 0} \frac{1-(\cos x)^{\sin x}}{x^2}$$


Don't know where to start with this. Hints/solutions very appreciated.

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