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For the curve represented parametrically...

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

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 `y=x`

D

normal at `t=(pi)/(4` is parallel to y = x

Text Solution

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The correct Answer is:
A, B
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