IB skill practice

Calculate argument of complex numbers

Calculate or interpret the argument of a complex number.

Paper 1, Paper 2 5 marks Difficulty 3

Calculate argument of complex numbers - official syllabus scenario

Read the official-HL feature being tested first. A clinic log point is represented by \(z=4+4i\). Find \(\arg z\) 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.