Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Limit and Continuity Evaluation of Limits
\(\rm \displaystyle\lim_{x\rightarrow0}\left[\frac{\sin(x+a)+\sin(a-x)-2\sin a}{x\sin x}\right]\) is equal to
1
sin a
2
cos a
3
-sin a
4
More than one of the above
5
None of the above