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Chapter 9: Q. 9 (page 621)
Describe the set of points defined by the equation(s).
The set of points is
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In Problems 11鈥�22, plot each complex number in the complex plane and write it in polar form. Express the argument in degrees.
.
In Problems , plot each complex number in the complex plane and write it in polar form. Express the argument in degrees.
.
The standard equation of a circle with center at and radius is ______ .
Find a vector whose magnitude is and whose component
in the direction is twice the component in the direction.
In Problems 13鈥�28, transform each polar equation to an equation in rectangular coordinates. Then identify and graph the equation. Verify your graph using a graphing utility.
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