Odpowiedź :
a)
[tex]tg\alpha =\frac{30}{20}=\frac{3}{2}\\\\ \alpha=ok.56,5^o[/tex]
b)
[tex]tg\alpha =\frac{30}{30}=1\\ \alpha =45^o[/tex]
c)
[tex]tg\alpha =\frac{30}{60}=\frac{1}{2}\\ \alpha =ok.27^o[/tex]
a)
[tex]tg\alpha =\frac{30}{20}=\frac{3}{2}\\\\ \alpha=ok.56,5^o[/tex]
b)
[tex]tg\alpha =\frac{30}{30}=1\\ \alpha =45^o[/tex]
c)
[tex]tg\alpha =\frac{30}{60}=\frac{1}{2}\\ \alpha =ok.27^o[/tex]