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
What is the distance between-13 and 13 on a number line
2 answers:
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