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-- Mathematics - Section B1
Inverse Trigonometric Functions
The value of $\tan ^{-1}(-\sqrt{3})+\cos ^{-1}\left(-\frac{1}{2}\right)$ is:
$\frac{\pi}{3}$
$-\frac{\pi}{3}$
$\frac{2 \pi}{3}$
$\pi$
The correct answer is Option (1) → $\frac{\pi}{3}$