Odpowiedź :
[tex]a = \sqrt7\\b = 3\\a^2+b^2=c^2\\7+9=c^2\\c^2=16\\c=4\\sin\alpha=\frac{\sqrt7}4\\cos\alpha=\frac{3}4\\tg\alpha=\frac{\sqrt7}3\\ctg\alpha=\frac{3}{\sqrt7}=\frac{3\sqrt7}7[/tex]
[tex]a = \sqrt7\\b = 3\\a^2+b^2=c^2\\7+9=c^2\\c^2=16\\c=4\\sin\alpha=\frac{\sqrt7}4\\cos\alpha=\frac{3}4\\tg\alpha=\frac{\sqrt7}3\\ctg\alpha=\frac{3}{\sqrt7}=\frac{3\sqrt7}7[/tex]