Simplify ∣1+z+z2+⋯+zn−1∣|1 + z + z^2 + \cdots + z^{n-1}|∣1+z+z2+⋯+zn−1∣ where ∣z∣=1|z| = 1∣z∣=1 and z≠1z \neq 1z=1.
n\sqrt{n}n
Cannot be simplified
nnn
∣sin(nθ/2)∣/∣sin(θ/2)∣|\sin(n\theta/2)|/|\sin(\theta/2)|∣sin(nθ/2)∣/∣sin(θ/2)∣