Complex Numbers Trigonometric Form problem #4 ! ! ! ! !

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In this video tutorial you will learn how to write a given Complex Number in Trigonometric Form.

Express the following Complex Numbers in Trigonometric Form:
a) -12
b) -8i ***at 06:20
c) 2 - 2i ***at 09:50
d) -√3 + i ***at 12:08