IB skill practice

Find roots of unity spacing

Use equal angular spacing for roots on the complex unit circle.

Paper 1, Paper 2 5 marks Difficulty 5

Find roots of unity spacing - official syllabus scenario

A library system needs the \(4\) roots of unity on an Argand diagram. Find the angular spacing in degrees. Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.