Question: I need help on this question Write the complex number in rectangular form. 9( cos 180 + i sin 180) OA. 9 OB. gi O

I need help on this question Write the complex number in

I need help on this question

rectangular form. 9( cos 180 + i sin 180) OA. 9 OB.

Write the complex number in rectangular form. 9( cos 180 + i sin 180) OA. 9 OB. gi O C. - 9i OD. - 9

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