Saved Bookmarks
| 1. |
Prove (1+ sin 2A+cos 2a/sin A + cos A) = 2 cos A |
|
Answer» Answer: LHS 1+cos2A+sin2A/SINA+cosA =(2cos²A+2sinA cosA) ________________________ sinA+cosA __________________ (sinA+cosA) =2cosA= RHS.... PROVED... Hope this helps... |
|