A) \[2\pi \]
B) \[\pi \]
C) \[\pi /2\]
D) \[4\pi \]
Correct Answer: B
Solution :
Q Period of \[\sin (ax+b)=\frac{2\pi }{|a|}\] \ Period of \[\sin 2x=\frac{2\pi }{|2|}=\pi .\]
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