45
QuizMultiple Choice
Applying Vectors in the Plane — Cumulative exam
Question 45 • Precalculus
Which expression is equivalent to ?
Answer
A
(StartFraction 1 over 32 EndFraction (cosine ( StartFraction pi over 5 EndFraction) plus i sine (StartFraction pi over 5 EndFraction))
B
(StartFraction 1 over 32 EndFraction (cosine (pi) plus i sine (pi))
C
(StartFraction 1 over 10 EndFraction (cosine ( StartFraction pi over 5 EndFraction) plus i sine (StartFraction pi over 5 EndFraction))
D
(StartFraction 1 over 10 EndFraction (cosine (pi) plus i sine (pi))