Exam 9: Conics, Parametric Curves, and Polar Curves

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  +   =    +   +   =    =   +   =      +   =

Find  Find   at the highest point on the cycloid x = a \theta   - a sin  \theta  , y = a - a cos  \theta  . at the highest point on the cycloid x = a θ\theta - a sin θ\theta , y = a - a cos θ\theta .

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Determine the area above the x-axis and under one arch of the cycloid x = a(t - sin t), y = a(1 - cos t).

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Find a rectangular equation equivalent to the polar equation r = tan θ\theta .

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Find parametric equations of the plane curve C given by 4x2 + 9y2 - 8x -32 = 0.

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Find the arc length of r = sec( θ\theta ), 0 \le θ\theta \le  Find the arc length of r = sec( \theta ), 0  \le   \theta   \le    . .

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Find the length of x = ln sin θ\theta , y = θ\theta ,  Find the length of x = ln sin  \theta , y =  \theta ,    \le   \theta   \le   . \le θ\theta \le  Find the length of x = ln sin  \theta , y =  \theta ,    \le   \theta   \le   . .

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Where does the curve x = 2 Where does the curve x = 2   - 5, y =   + t have a tangent line that is perpendicular to the line   ? - 5, y = Where does the curve x = 2   - 5, y =   + t have a tangent line that is perpendicular to the line   ? + t have a tangent line that is perpendicular to the line Where does the curve x = 2   - 5, y =   + t have a tangent line that is perpendicular to the line   ? ?

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Parametrize the curve y = Parametrize the curve y =   + 3x using its slope m as the parameter. + 3x using its slope m as the parameter.

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Find a rectangular equation equivalent to the polar equation θ\theta =  Find a rectangular equation equivalent to the polar equation  \theta   =   . .

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Find the slope of the curve x = Find the slope of the curve x =   sin 2t, y =   cos 3t at t = 0. sin 2t, y = Find the slope of the curve x =   sin 2t, y =   cos 3t at t = 0. cos 3t at t = 0.

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Find the length of the curve x =  Find the length of the curve x =   t, y =   , 0  \le  t  \le  1. t, y =  Find the length of the curve x =   t, y =   , 0  \le  t  \le  1. , 0 \le t \le 1.

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Sketch the polar curve r2 = 9 sin(3θ).

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Convert x2 + y2 = xy to polar coordinates.

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Find the area of the surface generated by rotating x =  Find the area of the surface generated by rotating x =     , y =   , 0 \le  t  \le 1 about the y-axis.  Find the area of the surface generated by rotating x =     , y =   , 0 \le  t  \le 1 about the y-axis. , y =  Find the area of the surface generated by rotating x =     , y =   , 0 \le  t  \le 1 about the y-axis. , 0 \le t \le 1 about the y-axis.

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A plane curve C is given parametrically by the functions x (t) = cosh(t) - 2, y(t) = sinh(t), t A plane curve C is given parametrically by the functions x (t) = cosh(t) - 2, y(t) = sinh(t), t    R. A Cartesian equation of the curve C is given by: R. A Cartesian equation of the curve C is given by:

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Find an equation of a parabola satisfying the given conditions Focus (4, 1) and directrixx = -2.

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Find an equation of a hyperbola with vertices (-1, 3) and (-1, 7) and Find an equation of a hyperbola with vertices (-1, 3) and (-1, 7) and   = 4. = 4.

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A circle passes through both foci of an ellipse and is tangent to the ellipse at two points. Find the eccentricity of the ellipse.

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Find the angle at which the parabolas y2 = 4x + 4 and y2 = -6x + 9 intersect at each of their intersection points.

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