Saved Bookmarks
| 1. |
If sinA = 1/3 , then 2cot2A + 2 = ............. |
|
Answer» If sinA=1/3 Then 2cot²A+2 =2(cot²A+1) =2cosec²A. [` . ` cot²A+1=cosec²A] =2(1/sinA)² [' . ' cosecA=1/sinA] =2×3²/1 = 18 |
|