Saved Bookmarks
| 1. |
ST ¥ Gy 2 8 T09500 + 0g WIS + T§00 = — —— oo 1o€ 0% 500 + 09 WIS e |
|
Answer» sin60=√3/2 cos30=√3/2sin30=1/2 cos60=1/2hence√3/2+√3/2/1+1/2+1/2=√3/1+1=√3/2=cos30 |
|