Saved Bookmarks
| 1. |
A, B, C are three points on a horizontal line through the base O of a pillar OP, such that OA, OB, OC are in A.P. If alpha, beta, gamma the angles of elevation of the top of the pillar at A, B, C respectively are also in A.P. then sin alpha, sin beta, sin gamma are in |
|
Answer» A.P. |
|