Finding Areas in Polar Coordinates
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Thanks Partrick. What you're giving for free costs a fortune in college and unfortunately the profs do a very poor job. Thanks again for sharing freely.....
1 year ago 31
All Comments (121)
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π/4's just chillin' haha. thanks for your help from all your videos!
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@PeterHarker123 It gives you the angles where r=0 - basically the coordinates where the graph hits the pole/origin. This helps with figuring out the shape of the graph. However, you don't need to do it if you already know what the graph looks like.
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patrick, in your u-sub, shouldn't there be an 8 multiplied to the first theta in 1/4 (theta minus sin8theta/8) since you are choosing 8theta as u? just checking. thank you for posting!
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So I am still a little unclear. Why exactly do you want to set 0=sin(4theta)?
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i have my Maths 1111 test for tommorow and i did not know a damn thing about integration and polar coordiantes until i watched your videos!
thanks a lot...at least maybe i won't be failing!
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im having trouble understand how to solve for area by using parametric equations. This is the problem i have to do: Use the parametric equations of an ellipse, x=(a)cos(ø), y=(b)sin(ø), 0≤ø≤2π, to find the area that is encloses. if your able to make a video for this one problem, i will be in debt to you. even explaining this would really help me.
Thank You
Matt Cohn
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knowing there is 8 loops, could you just solve from 0 to 2pi and multiply by 1/8?
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You're a life saver! These videos help a lot! :)
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are you married, id definitely wanna marry you! :) <3
bebeswe3t 3 months ago
@bebeswe3t lol, it seems there is a line for marriage and for those wanting to have my babies. i do not think my wife approves of any of it!
patrickJMT 3 months ago 14
You are such a lifesaver!!! I love looking over these videos...what a gift you have :)
EnchantedEnchantress 4 months ago 2
@EnchantedEnchantress glad you like the videos : ) thanks for the kind words!
patrickJMT 4 months ago
well, here i am going through your videos again for my math final tomorrow!
deja vu :o
anyway i feel like this is just an overly repeated statement from other comments i read but its just THAT true: how thankful i am for your videos and that if it wasn't for you i may have just dropped out of calculus :S
keep on making math seem cool 8)
honeypot11 11 months ago 11
@honeypot11 good luck on your final : )
patrickJMT 11 months ago