Complex Numbers (id: d10b10eb4)

本题目来源于试卷: Complex Numbers，类别为 IB数学

[问答题]
$\text { Let } z=2 \text { cis } 2 \theta \text { where } 0 \lt \theta \lt 45^{\circ} \text {. Find the modulus and argument of } z+2 \text {, expressing your answers in terms of } \theta \text {. }$

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