Answer: Antenna Radiation The radiation from a transmitting antenna is not uniform in

Chapter 10, Problem 47

(choose chapter or problem)

The radiation from a transmitting antenna is not uniform in all directions. The intensity from a particular antenna is modeled by  \(r=a \cos ^{2} \theta\).

(a) Convert the polar equation to rectangular form.

(b) Use a graphing utility to graph the model for  \(a=4\)  and  \(a=6\).

(c) Find the area of the geographical region between the two curves in part (b).

Text Transcription:

r = a cos^2 theta

a = 4  

a = 6

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