MCQ
$\int\frac{\text{dx}}{1-\cos\text{x}-\sin\text{x}}$ is equal to:
- A$\log|1+\cot\frac{\text{x}}{2}|+\text{c}$
- B$\log|1-\tan\frac{\text{x}}{2}|+\text{c}$
- ✓$\log|1-\cot\frac{\text{x}}{2}|+\text{c}$
- D$\log|1+\tan\frac{\text{x}}{2}|+\text{c}$
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| $X = x_i$ | $0$ | $1$ | $2$ | $3$ |
| $P(X = X_i$) | $k$ | $3k$ | $3k$ | $k$ |