492 Graphs & Geometry
Manipulating a sine or cosine function
Finding the derivative at a point (the slope)
This method uses the Analyze Graph menu. Alternatively, you could
create a tangent on the graph to help visualize the slope and then use
the
Measurement menu to measure it.
1. From the
Analyze Graph menu, select dy/dx.
2. Click the point on the graph at which you want to find the derivative.
Original sine function
Rotation manipulation of the sine
function. To stretch, grab away from the
axis of vertical symmetry of the graph,
and then drag.
Translation manipulation along the
y-axis.
Translation manipulation along the
x-axis.
To translate, grab and drag near the axis of vertical symmetry of the graph.
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