Trigonometry 3D Trigonometry. r s h p q β α p, q and r are points on level ground, [sr] is a vertical flagpole of height h. The angles of elevation of.
![Trigonometry 3D Trigonometry. r s h p q β α p, q and r are points on level ground, [sr] is a vertical flagpole of height h. The angles of elevation of.](https://static.fdocuments.us/doc/330x215/56649d015503460f949d3e5e/trigonometry-3d-trigonometry-r-s-h-p-q-p-q-and-r-are-points-on-level.jpg)
