A
amen2010
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Gpt
a) [TEX]log_{2}(1+cosx)=2.cosx[/TEX]
b) [TEX]\sqrt{2^{1-3sinx}}+1+3sinx=log_{2}(1-9sinx)[/TEX]
a) [TEX]log_{2}(1+cosx)=2.cosx[/TEX]
b) [TEX]\sqrt{2^{1-3sinx}}+1+3sinx=log_{2}(1-9sinx)[/TEX]
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