#### Topic: Polar coordinates

Is it possible to graph a half line, for example, t = 5pi/4 ? Regards DFH

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Graph Forums → Support → Polar coordinates

Is it possible to graph a half line, for example, t = 5pi/4 ? Regards DFH

No, you cannot do that. At least not with polar coordinates. It would require relations supporting polar coordinates, and I never got around to implement that. But you can of course do it as the standard function f(x)=tan(5pi/4)*x

hallo, can graph plot a best FIT CURVE for scatter plots

Yes, you can use *Function|Insert trendline* to create a best fit for a point series.

Graph Forums → Support → Polar coordinates

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