# Math Help - how to graph

1. ## how to graph

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

r=4 cos2x

2. 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?

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