Class 11 Mathematics Trigonometrical Equations Periodic functions

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If $n \in N$ and the period of $\frac{\cos(nx)}{\sin(x/n)}$ is $4\pi$,then $n$ is equal to

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A
$4$
B
$3$
C
$2$
D
$1$

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Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometrical Equations

Subtopic

Periodic functions

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