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The normal to the curve x=a ( cos theta-...

The normal to the curve `x=a ( cos theta-thetasintheta), y = a( sintheta-theta costheta)` at any point , `theta` , is such that

A

makes a constant angle with the x-axis

B

is at a constant distance from the origin

C

does not touch a fixed circle

D

passes through the origin

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The correct Answer is:
B
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