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In the curve x= a (cos t+ log tan(t/2)),...

In the curve `x= a (cos t+ log tan(t/2))`,` y =a sin t`. Show that the portion of the tangent between the point of contact and the x-axis is of constant length.

A

a unit

B

2a unit

C

3a unit

D

4a unit

Text Solution

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The correct Answer is:
A
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