P
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![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Giải PT:
sin[TEX]\frac{x}{2} = cos x[/TEX]
[TEX]sinx. cosx =0[/TEX]
tìm x nha
sin[TEX]\frac{x}{2} = cos x[/TEX]
[TEX]sinx. cosx =0[/TEX]
tìm x nha
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