1
QuizMultiple Choice
Powers and Roots of Complex Numbers
Question 1 • *PGHS Precalculus B
Which expression is equivalent to ?
Answer
A
6 (cosine ( StartFraction pi over 2 EndFraction) plus i sine (StartFraction pi over 2 EndFraction))
B
6 (cosine ( StartFraction pi over 6 EndFraction) plus i sine (StartFraction pi over 6 EndFraction))
C
8 (cosine ( StartFraction pi over 2 EndFraction) plus i sine (StartFraction pi over 2 EndFraction))
D
8 (cosine ( StartFraction pi over 6 EndFraction) plus i sine (StartFraction pi over 6 EndFraction))