InterviewSolution
Saved Bookmarks
| 1. |
If (a + b)^(2) = c^(2) + ab " in a " Delta ABC , Sin^(4) B + Sin^(4) C = Sin^(2) Bsin^(2) C + 2Sin^(2) Csin^(2)A = 2Sin^(2) B then A = |
|
Answer» `pi/6, (5PI)/6` |
|