Level:
Project ID:
2010015309
Source Problem:
Accepted:
0
Clonable:
1
Easy:
1
The right angled triangle \(ABC\) is given (See the picture.). Choose the correct statement.
\(\mathrm{tg}\,\alpha = \frac{a}
{b}\)
\(\sin \beta= \frac{a}
{c}\)
\(\cos \beta = \frac{a}
{b}\)
\(\mathrm{tg}\,\beta = \frac{a}
{b}\)