Use first slider for x then when x is right use slider for y.[br]For polar coordinates go to this one http://www.geogebratube.org/material/show/id/21364[br]http://dmentrard.free.fr/GEOGEBRA/

Use first slider for x then when x is right use slider for y[br]For polar coordinates go to this one http://www.geogebratube.org/material/show/id/21364[br]http://dmentrard.free.fr/GEOGEBRA/