585912 585912
  • 13-04-2024
  • Mathematics
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A sound engineer is positioning a cardioid microphone for a music concert. Which equation corresponds to a microphone facing the correct direction?
r=-4+4 sin(θ)
r = 4 − 4 sin(θ)
r = −4 + 4 cos(θ)
r = 4 − 4 cos(θ)

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