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Generally with parametric equations to determine the direction that the line or curve is traveling in, how can you be sure as to what direction it goes in? When you plot points, how do you know if its going from the left or to the right increasing, are they asking if the x values are increasing, or are they asking if what you get out of the function is increasing in order to determine what direction it's traveling in?
-----ALSO----
Is this right?
Question is: graph the parametric equation: x=2cost , y=2sint
steps:
x/2 = cost
sint=y/2
the graph is a circle of radius 4 correct?
If done properly what direction will the curve be traveling in?
-----ALSO----
Is this right?
Question is: graph the parametric equation: x=2cost , y=2sint
steps:
x/2 = cost
sint=y/2
the graph is a circle of radius 4 correct?
If done properly what direction will the curve be traveling in?