A
alex533
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1) tính
A=Sin^6 2* + cos^6 2* - sin 2*cos 2*
B=$\frac{sin32*}{sịn8*}$ + tan76*-cot14*+ $\frac{sin^261*+cos^2 61*}{tan29*tan61*}$
A=Sin^6 2* + cos^6 2* - sin 2*cos 2*
B=$\frac{sin32*}{sịn8*}$ + tan76*-cot14*+ $\frac{sin^261*+cos^2 61*}{tan29*tan61*}$