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If ST and SN are the lengths of the subt...

If ST and SN are the lengths of the subtangent and the subnormal at the point `theta =(pi)/(2)` on the curve `x = a (theta + sin theta), y = a (1 - cos theta), a ne1` then...

A

ST = SN

B

ST = 2SN

C

`ST^(2) = a SN^(3)`

D

`ST^(3) = a SN`

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The correct Answer is:
A
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