You can ask Siri on an iPhone “What planes are flying over me?” and she will tell you exactly that. But exactly how far out of a radius does Siri report planes? This activity will help you and your students use trigonometry and angles of elevation and depression find out! Applications include the use of tangent AND cosine!
There are several versions of this activity all in one download! The first version is a printable activity where the data is provided and a map is provided. The second a