Nie istnieje kąt ostry α\alphaα taki, że
sinα=13 \small \displaystyle \sin \alpha = \frac{1}{3}sinα=31 i cosα=23\small \displaystyle \cos \alpha = \frac{2}{3}cosα=32
sinα=513\small \displaystyle \sin \alpha = \frac{5}{13}sinα=135 i cosα=1213\small \displaystyle \cos \alpha = \frac{12}{13}cosα=1312
sinα=35\small \displaystyle \sin \alpha = \frac{3}{5}sinα=53 i cosα=45\small \displaystyle \cos \alpha = \frac{4}{5}cosα=54
sinα=915\small \displaystyle \sin \alpha = \frac{9}{15}sinα=159 i cosα=1215\small \displaystyle \cos \alpha = \frac{12}{15}cosα=1512
PremiumBasicarkuszePremiumBasicarkuszePremiumBasicarkusze