Saved Bookmarks
| 1. |
If sin x+sin2x=1, then the value of cos12x+3 cos10x+3 cos8x+cos6x−1 is equal to |
|
Answer» If sin x+sin2x=1, then the value of cos12x+3 cos10x+3 cos8x+cos6x−1 is equal to |
|