w-trojkacie-prostokatnym-o-dlugosciach-przyprostokatnych-2-i-5-cosinus

$\displaystyle \frac{5}{2}$\displaystyle \frac{5}{2}

$\displaystyle \frac{2}{5}$\displaystyle \frac{2}{5}

$\displaystyle \frac{2}{\sqrt{29}}$\displaystyle \frac{2}{\sqrt{29}}

$\displaystyle \frac{5}{\sqrt{29}}$\displaystyle \frac{5}{\sqrt{29}}