Saved Bookmarks
| 1. |
If cot²A =sin (A-15°) find A |
|
Answer» Answer: cot²A = cosec²A - 1 ⇒ cosec²A - 1 = SIN (A - 15) ⇒ 1 - sin²A ÷ sin²A = sin (A - 15) ⇒ 1 - sin²A = sin³A (A - 15) I HOPE you can CONTINUE from here... Hope it helps (atleast in some way) |
|