kat-alpha-jest-ostry-i-displaystyle-sinalpha-frac13-wartosc

$\displaystyle \frac{4}{3}$\displaystyle \frac{4}{3}

$\displaystyle \frac{11}{9}$\displaystyle \frac{11}{9}

$\displaystyle \frac{17}{9}$\displaystyle \frac{17}{9}

$\displaystyle \frac{11}{3}$\displaystyle \frac{11}{3}