Chapter 7: Problem 102
Describe the graph of all complex numbers with an absolute value of 6
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Chapter 7: Problem 102
Describe the graph of all complex numbers with an absolute value of 6
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Exercises \(99-101\) will help you prepare for the material covered in the next section. Refer to Section 1.4 if you need to review the basics of complex numbers. In each exercise, perform the indicated operation and write the result in the standard form \(a+b i .\) $$\frac{2+2 i}{1+i}$$
Use a graphing utility to graph each butterfly curve. Experiment with the range setting, particularly \(\theta\) step, to produce a butterfly of the best possible quality. $$r=\cos ^{2} 5 \theta+\sin 3 \theta+0.3$$
Use a graphing utility to graph \(r=\sin n \theta\) for \(n=1,2,3,4,5\) and \(6 .\) Use a separate viewing screen for each of the six graphs. What is the pattern for the number of loops that occur corresponding to each value of \(n ?\) What is happening to the shape of the graphs as \(n\) increases? For each graph, what is the smallest interval for \(\theta\) so that the graph is traced only once?
Graph the spiral \(r=\theta .\) Use a \([-48,48,6]\) by \([-30,30,6]\) viewing rectangle. Let \(\theta\) min \(=0\) and \(\theta \max =2 \pi,\) then \(\theta \min =0\) and \(\theta \max =4 \pi,\) and finally \(\theta \min =0\) and \(\theta \max =8 \pi\)
Use a graphing utility to graph the polar equation. $$r=\frac{1}{1-\sin \theta}$$
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