InterviewSolution
Saved Bookmarks
| 1. |
If tan^(2)alpha tan^(2)beta+tan^2betatan^(2)lamda+tan^(2)lambdatan^(2)alpha+2tan^(2)alpha tan^(2) beta tan^(2)lamda = 1then sin^2alpha+sin^2beta+sin^2lamda= |
|
Answer» 0 |
|