Question
Sketch a graph of the polar equation.$$r=2-2 \cos \theta$$
Step 1
The general form of a polar equation for a limaçon is $r = a \pm b\cos(\theta)$ or $r = a \pm b\sin(\theta)$. In this case, our equation $r = 2 - 2\cos(\theta)$ fits the form of a limaçon, where $a = b = 2$. Show more…
Show all steps
Your feedback will help us improve your experience
Alexandra Ali and 93 other Calculus 2 / BC educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Sketch a graph of the polar equation. $$ r=-2 \cos \theta $$
Polar Coordinates and Parametric Equations
Graphs of Polar Equations
Sketch a graph of the polar equation. $$ r=2+2 \cos (\theta) $$
Further Applications of Trigonometry
Polar Coordinates
Sketch a graph of the polar equation. $$ r=2-2 \sqrt{2} \cos \theta $$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD