# Thread: Please Help Me

1. ## Please Help Me

Find the arc length of the following polar curve r=2acosΘ

2. Originally Posted by boeing777
Find the arc length of the following polar curve r=2acosΘ
between what limits do you want to find the arc length? you have to state the limits.

see the post #2 here for the method and formula.

see here to see how the formula is derived (if you're interested)

### r=2acosθ curve

Click on a term to search for related topics.