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For the curve represented parametrically...

For the curve represented parametrically by the equation, `x=2log(cott)+1 and y=tant+cott.

A

tangent at `t=pi//4` is parallel to x-axis

B

normal at `t=pi//4` is parallel to y-axis

C

tangent at t`=pi//4` is parallel to the line y=x

D

tangent and normal intersect at the point (2,1)

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The correct Answer is:
A, B
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MOTION-TANGENT & NORMAL-EXERCISE 3
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