首页/题库/234℃/2024-06-28 15:36:55
把下列直角坐标方程化成极坐标方程:(1)x=4 (2)y+2=0
(3)2x-3y-1=0 (4)x^2-y^2=16
(1)ρcosθ=4,(2)ρsinθ+2=0,(3)2ρcosθ-3sinθ-1=0
(4)(ρcosθ)^2-(ρsinθ)^2=16即ρ^2*cos2θ=16