kat-alpha-jest-ostry-i-spelnia-warunek-tgalpha2sinalpha-cosinus-kata

$\displaystyle \frac{3}{2}$\displaystyle \frac{3}{2}

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

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

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