if i want to plot a graph as i have shown in the figure, but at one particular angle without any radius...how should i do it ? l

like for eg. if i want to plot at 30 degree (an example)....

[Jan]

The question is not clear. Can you create the wanted diagram with a pen on paper and post it here?

[L K]

yes, i have attached the image. i want the angle 30 degree

Answer 1

[Thorsten]

axis([-1 1 -1 1]), axis equal
angle = 30; line([0 cosd(angle)], [0, sind(angle)])

[L K]

is there a way to do it on a perfect polar plot ? the figure which i have attached , on the same plot can i do it ?