Find AREA 2.........

2008-03-04 8:01 am
Find the area of Tricuspoid
parametrically:
x = a(2cos(t) + cos(2t)), y = a(2sin(t) - sin(2t))

圖片參考:http://www-history.mcs.st-andrews.ac.uk/Curvepics/Tricuspoid/Tricuspoid1.gif
更新1:

Let the maximum x and minimum x be α and β.

回答 (1)

2008-03-04 8:22 pm
✔ 最佳答案
For this, we have to use the parametric differentiation to find out the points where the curve is NOT differentiable as follows:

圖片參考:http://i117.photobucket.com/albums/o61/billy_hywung/Mar08/Crazystevig3.jpg


圖片參考:http://i117.photobucket.com/albums/o61/billy_hywung/Mar08/Crazystevig4.jpg


圖片參考:http://i117.photobucket.com/albums/o61/billy_hywung/Mar08/Crazystevig5.jpg


圖片參考:http://i117.photobucket.com/albums/o61/billy_hywung/Mar08/Crazystevig6.jpg
參考: My Maths knowledge


收錄日期: 2021-04-22 00:33:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080304000051KK00005

檢視 Wayback Machine 備份