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Graphing Polar Equations - Limacons, Cardiods, Rose Curves, Lemniscates

This precalculus video tutorial focuses on graphing polar equations.  It explains how to graph circles, limacons, cardiods, rose curves, and lemniscates.  It provides plenty of examples and practice problems.  Here is a list of topics: 

Graphing Polar Equations - Limacons, Cardiods, Rose Curves, Lemniscates

Comments

For the second example of the rose curve: R=2sin(3theta). How did you determine -2 over 2 for first petal? When do you know to make it negative even when you don't have -a? TIA

Rebeca Duvert

....oh no, I was enjoying watching without all the interruptions on youtube...please do not add

Jacques Myburgh

he picked 360° and divided that by the number of petals to find the distance between the petals. if you're wondering why he picked 360°, that's because, when you're graphing the rose curves, and just polars in general, you're dealing with a circle which has a full rotation of 360°. So using 360° would essentially allow for equal distance between all rose petals. hope this helps

attest

for the rose curves, I didn't get why you pick a certain angle to start with. Could you please explain more?

Vinh Lu

u should make a video just for the memes just with an add each second for like 5 min and that would let your audience contribute without paying money

Pusheen

Thanks for making these videos

Pusheen

Very much appreciate the super clear explanation

Kyleigh McCarthy

Thanks this helped me out

Shivsaransh Thakur


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