AnswersMO-Algebra II A-CRPerforming Operations with Complex NumbersQuestion 8
8
AssignmentMultiple Choice

Performing Operations with Complex Numbers

Question 8 • MO-Algebra II A-CR

A sound engineer is positioning a cardioid microphone for a music concert. Which equation corresponds to a microphone facing the correct direction?

Answer
A
r = −4 + 4 sin(θ)
B
r = 4 − 4 sin(θ)
C
r = −4 + 4 cos(θ)
D
r = 4 − 4 cos(θ)
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