Thread: how to graph

hi guys how can i graph with a calculator given that
r=3+2 cos x

r=4 cos2x

Originally Posted by alessandromangione

hi guys how can i graph with a calculator given that
r=3+2 cos x

r=4 cos2x

Are these meant to be polar equations?

If so, you should
go to mode,
select polar function,
press y= button,
enter the equations,
press graph, and you are done!