点M的直角坐标为(-根号3,-1)化为极坐标是
问题描述:
点M的直角坐标为(-根号3,-1)化为极坐标是
答
ρ=2
θ=7π/6
点M的极坐标是(2,7π/6)
点M的直角坐标为(-根号3,-1)化为极坐标是
ρ=2
θ=7π/6
点M的极坐标是(2,7π/6)