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
答
(1)x=4→ρcosθ=4.
(2)y+2=0→ρsinθ+2=0