InterviewSolution
Saved Bookmarks
| 1. |
Prove that 1−cosA+cosB−cos(A+B)1+cosA−cosB−cos(A+B)=tanA2cot(B2). |
|
Answer» Prove that 1−cosA+cosB−cos(A+B)1+cosA−cosB−cos(A+B)=tanA2cot(B2). |
|