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3.2 Co-ordinate geometry in the (x, y) plane (A-level only)

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Question 1
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A circle is defined by the parametric equations x=−2+7cos⁡θx = -2 + 7 \cos \thetax=−2+7cosθ, y=4+7sin⁡θy = 4 + 7 \sin \thetay=4+7sinθ

Find the centre and the radius of the circle.

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3.2 Co-ordinate geometry in the (x, y) plane (A-level only) Questions

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  3. /3.2 Co-ordinate geometry in the (x, y) plane (A-level only)