kat-alpha-jest-ostry-i-displaystyle-sinalphafrac25-wartosc-wyrazenia-1tgalphacdotcosalpha

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

$\displaystyle \frac{7}{5}$\displaystyle \frac{7}{5}

$\displaystyle \frac{3}{5}$\displaystyle \frac{3}{5}

$\displaystyle \frac{9}{10}$\displaystyle \frac{9}{10}