Investigation of trigo graph
move point A.
Explore the graph of sine function
1. Adjust the radius of the circle to 1 or 2 units according to your preference.
2. Select both sinus and trace on the left.
3. Starting from Point A, move the point A to complete one circle revolution.
4. Observe the shape of the sine curve created by the trace.
Explore the graph of cosine and tangent functions by following the 4 steps above.