kat-alpha-jest-ostry-oraz-4sinalpha-2cosalpha0-oblicz-wartosc-tgalpha

$\displaystyle \frac{1}{2}$\displaystyle \frac{1}{2}

$2$2

$\displaystyle \frac{\sqrt{3}}{3}$\displaystyle \frac{\sqrt{3}}{3}

$\sqrt{3}$\sqrt{3}