Answer:

<h3>4th answer is correct</h3>
Step-by-step explanation:

Answer:
no
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Using the exact values
cos150° = - cos30° = - 
sin150° = sin30° = 
Given
z = 4(cos150° + isin150° ) , substitute values
= 4(-
+
i )
= - 2
+ 2i , that is
(- 2
, 2 ) → B