Saved Bookmarks
| 1. |
\begin { equation } \begin{array}{l}{\text { Prove that: }} \\ {2\left(\sin ^{6} \theta+\cos ^{6} \theta\right)-3\left(\sin ^{4} \theta+\cos ^{4} \theta\right)+1=0}\end{array} \end { equation } |
| Answer» | |