Q
qthnngoc
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
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tìm :
Lim (1-căn cosx)/1-cos(căn x) (x->0)
Lim (1-cos5xcos7x)/(sin^2(11x)) (x->0)
lim (cos3x-cos5xcos7x)/x^2 (x->0)
Lim (1-căn cosx)/1-cos(căn x) (x->0)
Lim (1-cos5xcos7x)/(sin^2(11x)) (x->0)
lim (cos3x-cos5xcos7x)/x^2 (x->0)