Saved Bookmarks
| 1. |
Cos 1740 |
|
Answer» I knew it brother but still I was just checking whether anyone is interest in giving ans .....but anyway thanks for your answer *cos1740=cos(180*9+120)=sin(120) it is changed to sin due to odd multiple. therefore sin(120)=sin(90+30)=cos(30)=root3/2 |
|