kat-alpha-jest-ostry-i-displaystyle-cosalphafrac45-wtedy-sin2left90circ-alpharight-jest

$\displaystyle \frac{16}{25}$\displaystyle \frac{16}{25}

$\displaystyle \frac{9}{25}$\displaystyle \frac{9}{25}

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

$\displaystyle \frac{4}{5}$\displaystyle \frac{4}{5}