$\displaystyle \lim \frac{(cos x)^\frac{1}{x} - 1}{x}$
$\displaystyle x\rightarrow0$
Hmm how should i start about doing it?
is it possible to use L'H rule ?
Thanks.
$\displaystyle \lim \frac{(cos x)^\frac{1}{x} - 1}{x}$
$\displaystyle x\rightarrow0$
Hmm how should i start about doing it?
is it possible to use L'H rule ?
Thanks.