Level:
Project ID:
9000045701
Source Problem:
Accepted:
1
Clonable:
1
Easy:
1
The right angled triangle \(ABC\) is given (see the picture). Choose the correct statement.
\(\cos \beta = \frac{a}
{c}\)
\(\cos \beta = \frac{b}
{c}\)
\(\mathop{\mathrm{tg}}\nolimits \alpha = \frac{b}
{a}\)
\(\sin \alpha = \frac{c}
{a}\)