The graph of the polar equation r = 4 cos 3θ is plotted below
The given polar equation is:
r = 4 cos 3θ
The input parameter is the angle, θ
The output parameter is the distance, r
To plot the equation r = 4 cos 3θ:
θ will represent the x-axis
r will represent the y-axis
Also note that the cosine function is an even function
The graph of the polar equation r = 4 cos 3θ is therefore, shown below:
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