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Mathematics, 06.11.2020 01:00 ahardy84
A company designs microphones for use in conference rooms. A new microphone needs to focus on the person speaking and not the voices of other people in the room. Which polar equation would best match the desired audible range of the microphone?
r = 3
r = 3cos(2θ)
r = 3cos(3θ)
r = 3 + 3cos(θ)
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Answers: 1
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