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How many horizontal tangent lines

Use implicit differentiation to find the points where the parabola defined byx2−2xy+y2−4y+4=0 has horizontal and vertical
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2. asked by Matt
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The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points
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2. asked by Lerinda
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The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points
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2. asked by Lerinda
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The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points
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2. asked by JADE
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The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points
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2. asked by Ren
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I found part B, but stuck on part A.Use implicit differentiation to find the points where the parabola defined by
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2. asked by Molly
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Tangent Lines practice problems. Unit 73. In the figure below, lines that appear to be tangent are tangent. Point O is the
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2. asked by Bob
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circles P and Q are externally tangent at T. Horizontal lines l and m are, respectively, tangent to circles P and Q at R and S.
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2. asked by Diana
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Equations of the tangent lines to hyperbola xy=1 that pass through point (-1,1)I know the graph of y=1/x but not sure about the
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2. asked by Melba
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find f'(x)find the slope of the graph of f a x=2 and x=4 find the equations of the tangent lines at x=2 and x=4 and find the
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2. asked by John
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