RRB NTPC CBT I 5 Jan 2021 Shift 1 Paper

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Question : 40 of 100

Marks: +1, -0

The value of sin 15⁰ is:

$\;{1}/{{√{2}}}$
$\;{{√{3}}−1}/{2{√{2}}}$
$\;{{√{3}}\;+\;1}/{2{√{2}}}$
$\;{{√{3}}−1}/{{√{3}} + 1}$

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