Question

Express the complex number in trigonometric form.

-6i

Answer 1

\[-\sqrt{-36}\]

Answer 2

That's not one of my options

Answer 3

6(cos 0° + i sin 0°)

6(cos 270° + i sin 270°)

6(cos 180° + i sin 180°)

6(cos 90° + i sin 90°)

Answer 4

6(cos 180° + i sin 180°)

Answer 5

6