cosinus-kata-ostrego-alpha-jest-rowny-displaystyle-frac1213-wtedy

$\displaystyle \sin\alpha= \frac{12}{13}$\displaystyle \sin\alpha= \frac{12}{13}

$\displaystyle \sin\alpha= \frac{1}{13}$\displaystyle \sin\alpha= \frac{1}{13}

$\displaystyle \sin\alpha= \frac{5}{13}$\displaystyle \sin\alpha= \frac{5}{13}

$\displaystyle \sin\alpha= \frac{25}{169}$\displaystyle \sin\alpha= \frac{25}{169}