Saved Bookmarks
| 1. |
1+secA/secA=sin2/1-cosA (prove this) |
|
Answer» For more explanations or answer . Whatsaap me 9102084705 RHS- 1+secA/secA changes into 1/secA + secA/SecA . Then SecA/SecA is equal to one and 1/SecA is equal to cosA . Then RHS is equal to 1 + cosA.LHS- sin^2A is equal to 1-cos^2A. 1 -Cos^2 change into (1+cosA)(1-cosA). Then 1-cosA cancel by 1-cosA. Then LHS is equal to 1+cosA.Hence, RHS=LHS. PROVED.... |
|