If ${\sec ^2}\theta = \frac{4}{3}$, then the general value of $\theta $ is
If ${\sec ^2}\theta = \frac{4}{3}$, then the general value of $\theta $ is
- A
$2n\pi \pm \frac{\pi }{6}$
- B
$n\pi \pm \frac{\pi }{6}$
- C
$2n\pi \pm \frac{\pi }{3}$
- D
$n\pi \pm \frac{\pi }{3}$
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