Mathematics · 2017
JEE Main · 8 April 2017, Shift 1 · Q79
If two parallel chords of a circle, having diameter 4 units, lie on the opposite sides of the centre and subtend angles cos^-1(1/7) and sec^-1(7) at…
If two parallel chords of a circle, having diameter $\displaystyle 4$ units, lie on the opposite sides of the centre and subtend angles $\displaystyle \cos ^{-1}\left(\frac{1}{7}\right)$ and $\displaystyle \sec ^{-1}(7)$ at the centre respectively, then the distance between these chords, is :
Official answer
(2)
$\displaystyle \frac{8}{\sqrt{7}}$
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JEE Main 2017 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.