^ -1 1 2 +2 ^ -1 1 2 is equal to: 1. 4 2. 6 3. 3 4. 2 3 - Vidyadip

Question

$\cos^{-1}\frac{1}{2}+2\sin^{-1}\frac{1}{2}$ is equal to:

$\frac{\pi}{4}$
$\frac{\pi}{6}$
$\frac{\pi}{3}$
$\frac{2\pi}{3}$

✓

Answer

$\frac{2\pi}{3}$

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