kat-alphainleft0circ-180circ-right-oraz-wiadomo-ze-displaystyle-sinalpha-cdot

$\displaystyle \frac{17}{6}$\displaystyle \frac{17}{6}

$\displaystyle \frac{19}{6}$\displaystyle \frac{19}{6}

$\displaystyle \frac{7}{12}$\displaystyle \frac{7}{12}

$\displaystyle \frac{5}{12}$\displaystyle \frac{5}{12}