Functions Question 37
Question: $ \underset{x\to 0}{\mathop{\lim }}\frac{\sin x^{o}}{x}= $
Options:
A) 1
B) $ \pi /180 $
C) Does not exist
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ \underset{x\to 0}{\mathop{\lim }}\frac{\sin x^{o}}{x}=\underset{x\to 0}{\mathop{\lim }}\frac{\sin \frac{\pi x}{180}}{x}=\frac{\pi }{180} $ $ { \because x{}^\circ =\frac{\pi x}{180}radian } $ .