Trig Function Values (60 Degrees)

Interact with the app below for a few minutes. Then answer the questions that follow.
1.
Just by merely observing the dynamics of this applet, what would the [color=#9900ff][b]cosine of 60 degrees [/b][/color]be?
2.
What would the [color=#9900ff][b]secant of 60 degrees[/b][/color] be?
3.
Do the values of [color=#9900ff][b]either of these ratios[/b][/color] depend upon [color=#666666][b]the length of the circle's radius[/b][/color]? Explain why or why not.
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Information: Trig Function Values (60 Degrees)