Saved Bookmarks
| 1. |
Sin18/cos72-sin72/cos18=? |
|
Answer» sin18/cos72 - sin72/cos18 = COS(90-18)/cos72 - sin72/sin(90-18) = cos72/cos72 - sin72/sin72 = 1 - 1 = 0 pls MARK BRAINLIEST |
|