Question
The value of expression $2\sec^{-1}0+\sin^{-1}(\frac{1}{2})$
- $\frac{\pi}{6}$
- $\frac{5\pi}{6}$
- $\frac{7\pi}{6}$
- $1$
$\frac{5\pi}{6}$
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| $\text{X}:$ | $2$ | $3$ | $4$ | $5$ |
| $\text{P}(\text{X}):$ | $\frac{5}{\text{k}}$ | $\frac{7}{\text{k}}$ | $\frac{9}{\text{k}}$ | $\frac{11}{\text{k}}$ |
The value of k is: