The general solution of $\tan 3x = 1$ is
The general solution of $\tan 3x = 1$ is
- A
$n\pi + \frac{\pi }{4}$
- B
$\frac{{n\pi }}{3} + \frac{\pi }{{12}}$
- C
$n\pi $
- D
$n\pi \pm \frac{\pi }{4}$
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