Maths 問題

2009-04-27 1:44 am
How to chnge polar coordinates to rectangular?
What they different?

回答 (1)

2009-04-27 3:01 am
✔ 最佳答案
Let the given polar co-ordinates be ( r, m degree), then in rectangular co-ordinates, it will be
x = r cos m and
y = r sin m.



2009-04-26 19:02:25 補充:
That is ( r cos m, r sin m)


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