Saved Bookmarks
| 1. |
EvaluateCos^2 20° + Cos^2 70° / 3 (Sin^2 59° + Sin^2 31°)full explanation. .. |
|
Answer» Step-by-step explanation: COS2 20°+cos2(90-20)/3(SIN2 59°+sin2 (90-59) ) =Cos2 20°+sin2 20°/3(sin2 59°+cos2 59°) =1/3(1) =1/3 |
|