Prove complex number identities involving modulus and argument, e.g. z z̅ = |z|², |z₁||z₂| = |z₁z₂| and arg(z₁z₂) = arg(z₁) + arg(z₂).

u3-t1-s1-d1

Request an applet

Describe what students should see or notice. That's the cue to build — requests are what get built next.