The equation $\mathrm{e}^{\sin x}-\mathrm{e}^{-\sin x}=4$ has ̱_________ solutions.

The value of $\int \frac{d x}{5+4 \sin x}$ is equal to

If $p \rightarrow(q \vee r)$ is false, then the truth values of $\mathrm{p}, \mathrm{q}, \mathrm{r}$ are respectively

The area of the region bounded by curves $y=3 x+1, y=4 x+1$ and $x=2$ is