Convert the polar equation to rectangular coordinates. (Use variables x and y as needed.) r = 6 sin θ?

👨🏻‍🏫 學術台數學

[匿名]

2016-07-06 8:27 am

回答 (1)

Lopez

2016-07-06 9:04 am

✔ 最佳答案

y = r sin θ
sin θ = y / r

r = 6 sin θ
r = 6 ( y / r )
r^2 = 6y
x^2 + y^2 = 6y
x^2 + y^2 - 6y = 0
x^2 + ( y - 3 )^2 = 3^2 ..... a circle eq.

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