题目内容
将下列各极坐标方程化为直角坐标方程.
(1)θ=
(ρ∈R). (2)ρcos2
=1.
(1)θ=


(1) y=
x (2) y2=-4(x-1)

(1)∵tanθ=
,∴tan
=
=
,
化简得:y=
x.
(2)∵ρcos2
=1,∴ρ
=1.
即ρ+ρcosθ=2,所以
+x=2.
化简得y2=-4(x-1).




化简得:y=

(2)∵ρcos2


即ρ+ρcosθ=2,所以

化简得y2=-4(x-1).

练习册系列答案
相关题目
题目内容