A) \[\le n|\sin x|\]
B) \[\ge n|\sin x|\]
C) \[=n|\sin x|\]
D) None of these
Correct Answer: A
Solution :
Let\[T=|\sin nx|\] Put\[n=2\], then \[T=|\sin 2x|\] \[=|2\sin x\cos x|\,\,\le 2|\sin x|\]
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