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If a line joining two points and is rotated about in anticlockwise direction through an angle such that the point goes to in the new position, then the coordinates of are
detailed solution
Correct option is D
The equation of AC isx−2cos60∘=y−0sin60∘=rWe have, AB=(3−2)2+(1−0)2=2As ACis the new position of AB. Therefore, AC=AB=2.Thus, the coordinates of C are given by x−2cos60∘=y−0sin60∘=2⇒x=2+12,y=32Hence, the coordinates of C are 2+12,32.Talk to our academic expert!
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The equation of the circle which has normal and a tangent is
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