Back to Represent complex numbers on the complex plane — Problem 3 · Task Set 10

Exercises: Represent Complex Numbers on the Complex Plane

Show your work. For polar form, use exact values where possible (e.g., $\cos 60° = \frac{1}{2}$).

Grade 9·20 problems·~35 min·Common Core Math - HS Number and Quantity·standard·hsn-cn-b-4
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Fluency Practice

1.

What is the argument θ\theta (in degrees) of 1+3i1 + \sqrt{3}\,i? Use the fact that r=2r = 2 from the previous problem.