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8.2 EXERCISES I CONCEPTS 1. To plot points in polar coordinates, we use a grid consisting of centered at the pole and em
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8.2 EXERCISES I CONCEPTS 1. To plot points in polar coordinates, we use a grid consisting of centered at the pole and emanating from the pole. 2. (a) To graph a polar equation r = f(0), we plot all the points (r.) that the equation. (b) The simplest polar equations are obtained by setting ror equal to a constant. The graph of the polar equation = 3 is a with radius centered at the The graph of the polar equation - #/4 is a passing through the Graph these polar equations below. with slope SKILLS 3-8 Graphs of Polar Equations Match the polar equation with the graphs labeled I-VI Use the table on page 519 to help you. 3. = 3 cose 4. 3 5. r= 2 + 2 sin e 6. r= 1 + 2 cosa 7. r=sin 39 8. sin 40
17-22 – Polar to Rectangular Sketch a graph of the polar equa- tion, and express the equation in rectangular coordinates. 17. r = 2 18. r=-1 // = 19. 0 = - +1/2 20. 0 = 57/6 21. r= 6 sin e 22. r = cos e