# Graphs of Trig Functions

This demonstration shows how the graphs of the 6 trigonometric functions are related to the Unit Circle. The point A is animated around the circle and each function is plotted as a point. For example, the sine curve is plotted by tracing the point where is an angle between 0 and .
The trace changes from black to red when the function passes from being positive to negative.

1. In what quadrant is each function positive? negative?
2. Where, in the domain of is each Quadrant?
3. In which Quadrant/s are all the trig functions positive?
4. In which Quadrant/s does ?

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