Saved Bookmarks
| 1. |
If a cos3 theta + 3a cos theta sin2 theta = m and a sin 3 theta + 3a sin theta cos 2 = n prove that (m+n ) 2/3 +( m-n) 2/3 = 2a 2/3 |
| Answer» If a cos3 theta + 3a cos theta sin2 theta = m and a sin 3 theta + 3a sin theta cos 2 = n prove that (m+n ) 2/3 +( m-n) 2/3 = 2a 2/3 | |