Specialist Mathematics · Unit 2 · Complex arithmetic and algebra · Complex arithmetic using polar form

Express a complex number in Cartesian form 𝑧 = 𝑎 + 𝑏𝑖 and polar form. 𝑧 = 𝑟 (cos(𝜃) + 𝑖 sin(𝜃)) or 𝑧 = 𝑟 cis(𝜃)

Learning objective 2 of 6 in this subtopic