Solved: In rectangular coordinates, the graph of ax + by = c is a horizontal line if a =
Chapter 8, Problem 85(choose chapter or problem)
In rectangular coordinates, the graph of ax + by = c is a horizontal line if a = 0 or a vertical line if b = 0. Work Exercises 8592 in order, to determine the general forms of polar equations for horizontal and vertical lines. Begin with the equation y = k, whose graph is a horizontal line. Make a trigonometric substitution for y using r and u.
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