माना $S = \{\theta \in [0, 2\pi] : 8^{2 \sin^2 \theta} + 8^{2 \cos^2 \theta} = 16\}$ है। तो $n(S) + \sum_{\theta \in S} \left(\sec \left(\frac{\pi}{4} + 2\theta\right) \operatorname{cosec} \left(\frac{\pi}{4} + 2\theta\right)\right)$ का मान ज्ञात कीजिए।

  • A
    $0$
  • B
    $-2$
  • C
    $-4$
  • D
    $12$

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