Some Applications of Trigonometry, Part 1: Looking up and looking down
How tall is a tower you cannot climb? Measure one distance and one angle.
In this lesson you will
- Identify the line of sight and the angles of elevation and depression in a described situation
- Draw and label the figure for a heights-and-distances problem
- Explain why an angle of depression equals the corresponding angle of elevation
- Find a height, a distance or a slant length using one right triangle
- Allow for the observer’s eye height