把下列直角坐标方程化为极坐标方程,(1)x=4 (2)y+2=0 (详解

问题描述:

把下列直角坐标方程化为极坐标方程,(1)x=4 (2)y+2=0 (详解

(1)x=4→ρcosθ=4.
(2)y+2=0→ρsinθ+2=0