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What is the image of a circle with equation (x+2)2+(y2)2=1(x + 2)^2 + (y - 2)^2=1 when it is rotated through π6\frac{\pi}{6} about the origin? \newline(a) (x+(3+1))2+(y(31))2=1(x + (\sqrt{3} + 1))^2 + (y - ( \sqrt{3} - 1))^2 = 1 \newline(b) (x(3+1))2+(y+(31))2=1(x - ( \sqrt{3} + 1))^2 + (y + (\sqrt{3} - 1))^2 = 1 \newline(c) (x+(31))2+(y(3+1))2=1(x + (\sqrt{3} - 1))^2 + (y - ( \sqrt{3} + 1))^2 = 1 \newline(d) (x(31))2+(y+(3+1))2=1(x - (\sqrt{3} - 1))^2 + (y + (\sqrt{3} + 1))^2 = 1

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Q. What is the image of a circle with equation (x+2)2+(y2)2=1(x + 2)^2 + (y - 2)^2=1 when it is rotated through π6\frac{\pi}{6} about the origin? \newline(a) (x+(3+1))2+(y(31))2=1(x + (\sqrt{3} + 1))^2 + (y - ( \sqrt{3} - 1))^2 = 1 \newline(b) (x(3+1))2+(y+(31))2=1(x - ( \sqrt{3} + 1))^2 + (y + (\sqrt{3} - 1))^2 = 1 \newline(c) (x+(31))2+(y(3+1))2=1(x + (\sqrt{3} - 1))^2 + (y - ( \sqrt{3} + 1))^2 = 1 \newline(d) (x(31))2+(y+(3+1))2=1(x - (\sqrt{3} - 1))^2 + (y + (\sqrt{3} + 1))^2 = 1
  1. Identify Center and Radius: Identify the center and radius of the original circle.\newlineCenter: (2,2)(-2, 2), Radius: 11.
  2. Calculate New Center Coordinates: Calculate the new coordinates of the center after rotation by π/6\pi/6.
    Rotation matrix R(π/6)=[cos(π/6)sin(π/6) sin(π/6)cos(π/6)]R(\pi/6) = \left[\begin{array}{cc} \cos(\pi/6) & -\sin(\pi/6) \ \sin(\pi/6) & \cos(\pi/6) \end{array}\right]
    =[3/21/2 1/23/2]= \left[\begin{array}{cc} \sqrt{3}/2 & -1/2 \ 1/2 & \sqrt{3}/2 \end{array}\right].
    New center = R(π/6)[2,2]=[(2)(3/2)+(2)(1/2),(2)(1/2)+(2)(3/2)]R(\pi/6) \cdot [-2, 2] = [(-2)(\sqrt{3}/2) + (2)(-1/2), (-2)(1/2) + (2)(\sqrt{3}/2)]
    =[3+(1),1+3]= [-\sqrt{3} + (-1), -1 + \sqrt{3}]
    $= [-\sqrt{\(3\)} - \(1\), \sqrt{\(3\)} - \(1\)].
  3. Write Rotated Circle Equation: Write the equation of the rotated circle using the new center.\(\newline\)Equation: \((x + (\sqrt{3} + 1))^2 + (y - (\sqrt{3} - 1))^2 = 1\).

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