Question

Express the complex number in trigonometric form.
-4



4(cos 270° + i sin 270°)

4(cos 90° + i sin 90°)

4(cos 0° + i sin 0°)

4(cos 180° + i sin 180°)

Answer 1

So if they suggest that \(-4 \in \mathbb{C} \)
Then the picture would look like that.