Level:
Project ID:
9000071203
Source Problem:
Accepted:
1
Clonable:
1
Evaluate the following integral on the interval \((0;\frac{\pi}2)\).
\[
\int \frac{\cos 2x}
{\sin ^{2}x}\, \mathrm{d}x
\]
\(- 2x -\mathop{\mathrm{cotg}}\nolimits x + c,\ c\in \mathbb{R}\)
\(\frac{\sin 2x}
{-\frac{1}
{3} \cos ^{3}x} + c,\ c\in \mathbb{R}\)
\(\mathop{\mathrm{tg}}\nolimits x - 2x + c,\ c\in \mathbb{R}\)