If ${\sin ^2}\theta = \frac{1}{4},$ then the most general value of $\theta $ is
If ${\sin ^2}\theta = \frac{1}{4},$ then the most general value of $\theta $ is
- A
$2n\pi \pm {( - 1)^n}\frac{\pi }{6}$
- B
$\frac{{n\pi }}{2} \pm {( - 1)^n}\frac{\pi }{6}$
- C
$n\pi \pm \frac{\pi }{6}$
- D
$2n\pi \pm \frac{\pi }{6}$
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