A) 0
B) 1/4
C) 1
D) Not in existence
Correct Answer: B
Solution :
\[\underset{\theta \to 0}{\mathop{\lim }}\,\frac{\sin \frac{\theta }{4}}{\theta }=\underset{\theta \to 0}{\mathop{\lim }}\,\frac{1}{4}.\frac{\sin \frac{\theta }{4}}{(\theta /4)}=\frac{1}{4}.\]
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