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

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 $\theta$ ?

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