A) \[0\]
B) \[\frac{1}{2}\]
C) \[\frac{1}{\sqrt{2}}\]
D) \[\frac{\sqrt{3}}{2}\]
Correct Answer: B
Solution :
\[\angle C=60{}^\circ \] |
\[\therefore \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\sin \left( \frac{C}{2} \right)=\sin \left( \frac{60{}^\circ }{2} \right)=\sin 30{}^\circ =\frac{1}{2}\] |
So, option [b] is correct. |
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