Question:
$\frac{\sin x}{1+\cos x}$
Solution:
Let $1+\cos x=t$
$\therefore-\sin x d x=d t$
$\Rightarrow \int \frac{\sin x}{1+\cos x} d x=\int-\frac{d t}{t}$
$=-\log |t|+\mathrm{C}$
$=-\log |1+\cos x|+\mathrm{C}$
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.