If [.] is greatest integer function and \( n \) is a positive integer, then \( \lim _{x \rightar...
If [.] is greatest integer function and \( n \) is a positive integer, then \( \lim _{x \rightarrow 0}\left(\left[\frac{n x}{\sin x}\right]+\left[\frac{n \tan x}{x}\right]\right)= \)
(a) \( 2 n \)
(b) 2
(c) \( 2 n-1 \)
(d) \( 2 n+2 \)
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