अंतराल $\left[ -\frac{5 \pi}{12}, -\frac{\pi}{3} \right]$ में फलन $f(x) = \tan \left(x + \frac{2 \pi}{3} \right) - \tan \left(x + \frac{\pi}{6} \right) + \cos \left(x + \frac{\pi}{6} \right)$ का अधिकतम मान है

  • A
    $\frac{11 \sqrt{2}}{6}$
  • B
    $\frac{11 \sqrt{3}}{6}$
  • C
    $3$
  • D
    $1$

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