Level:
Project ID:
9000150305
Accepted:
1
Easy:
1
Evaluate the following integral on the interval \(\left(0;\frac{\pi}2\right)\).
\[
\int \frac{8}
{\cos ^{2}x}\, \text{d}x
\]
\(8\mathop{\mathrm{tg}}\nolimits x + c,\ c\in \mathbb{R}\)
\(- 8\mathop{\mathrm{cotg}}\nolimits x + c,\ c\in \mathbb{R}\)
\(8\mathop{\mathrm{cotg}}\nolimits x + c,\ c\in \mathbb{R}\)
\(- 8\mathop{\mathrm{tg}}\nolimits x + c,\ c\in \mathbb{R}\)