Trigonometry/Collection of Problems/Line Values and Graphs of Trigonometric Functions

AcuteAngle.png

Using the diagram, answer the following questions:

1. Can you suggest a way of remembering that \overrightarrow{AB} represents the tangent of \theta?
2. Can you suggest a way of remembering that \overrightarrow{FE} represents the cotangent of \theta?
3. Can you suggest a way of remembering that \overrightarrow{OB} represents the secant of \theta?
4. Can you suggest a way of remembering that \overrightarrow{OE} represents the cosecant of \theta?
Last modified on 31 August 2010, at 15:30