Many microphones advertise that their exceptional pickup capabilities hat isolate the sound source and minimize background noise. The name of these microphones comes from the pattern formed by the range of the pickup. Graph the cardioid curve to see what the range looks like.
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Q14: Graph the equation.
r2 = 4 cos 5θ
Q15: Graph the equation. Q16: Graph the equation. Q17: Spirals are seen in nature - in Q18: The lemniscate motion occurs naturally in the Q20: Convert the point to exact polar Q21: Convert the point to exact polar Q22: Convert the point to exact polar Q23: Convert the point to exact polar Q24: Convert the point to exact rectangular coordinates.
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