InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
If A = 60° and B = 30°, verify that:(i) sin (A − B) = sin A cos B − cos A sin B(ii) cos (A − B) = cos A cos B + sin A sin B(iii) tan (A − B) = tan A-tan B1+tan A tan B |
|
Answer» If A = 60° and B = 30°, verify that: (i) sin (A − B) = sin A cos B − cos A sin B (ii) cos (A − B) = cos A cos B + sin A sin B (iii) tan (A − B) = |
|