1. \(\int \frac{x+\sin x}{1+\cos x}\) dx is equal to

2. ∫1.dx =

3. ∫\(\frac{dx}{√x}\) =

4. ∫\(\frac{dx}{1+cos x}\) =

5. \(\int_{a}^{b}\) x dx =

6. If x > a, ∫\(\frac{dx}{x^2-a^2}\) =

7. ∫\(\frac{cos 2x dx}{(sinx+cosx)^2}\) =

8. ∫\(\frac{(1+logx)^2}{1+x^2}\) dx =

9. \(\int_{0}^{1}\frac{(tan^{-1}x)^2}{1+x^2}\) dx =

10. \(\int_{-2}^{2}\) |x|dx =