7.4_bzat4e - r 4(1 cos ) =-Example 2 Test for symmetry and...

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Section 7.4 Graphs of Polar Equations
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Using Polar Grids to Graph Polar Equations
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A polar equation is an equation whose variables are r and . The graph of a polar equation is the set of all points whose polar coordinates satisfy the equation. We use polar grids to graph polar equations. θ
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Graphing a Polar Equation by Point Plotting
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Graphing r=4 cos θ
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Graphing A Polar Equation Using Symmetry
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Checking for Symmetry
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Example Test for symmetry and then graph the equation r 3 cos θ = +
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Example Test for symmetry and then graph the equation r sin 2 θ =
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Example Test for symmetry and then graph the equation
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Unformatted text preview: r 4(1 cos ) =-Example 2 Test for symmetry and then graph the equation r cos 2 = Test for symmetry about the polar axis on r=2+cos (a) It is symmetric. (b) It definitely is not symmetric. (c) It may or may not be symmetric. Test for symmetry about the line = on 2 r=2+cos (a) It is symmetric. (b) It definitely is not symmetric. (c) It may or may not be symmetric. Test for symmetry about the on r=2+cos pole (a) It is symmetric. (b) It definitely is not symmetric. (c) It may or may not be symmetric....
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7.4_bzat4e - r 4(1 cos ) =-Example 2 Test for symmetry and...

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