化下列複數為極式2(cosπ/4+isinπ/4)2(cos2π/3+isin2π/3)/8(cosπ/4-isinπ/4)

化下列複數為極式2(cosπ/4+isinπ/4)2(cos2π/3+isin2π/3)/8(cosπ/4-isinπ/4)

ρ=2*2/8=0.5,θ=π/4+2π/3-(-π/4)=2π=0