InterviewSolution
Saved Bookmarks
| 1. |
In a ΔABC; the value of cos2B−C2(b+c)2+sin2B−C2(b−c)2 is |
|
Answer» In a ΔABC; the value of cos2B−C2(b+c)2+sin2B−C2(b−c)2 is |
|