$\alpha\approx20\degree$  

 $\alpha\approx19\degree$  

 $\cos\alpha\approx19\degree$  

 $\cos\alpha\approx20\degree$  

 $\tan\alpha\approx77\degree$  

 $\alpha\approx78\degree$  

 $\alpha\approx77\degree$  

 $\tan\alpha\approx78\degree$  

Siniä

Kosinia

Tangenttia

Siniä

Kosinia

Tangenttia

$\tan\alpha=\frac{5,9}{2,8}$

$\cos\alpha=\frac{5,2}{5,9}$

$\sin\alpha=\frac{5,9}{2,8}$

$\sin\alpha=\frac{2,8}{5,9}$

$\tan\alpha=\frac{2,8}{5,2}$

 $\alpha\approx60\degree$  

 $\alpha\approx30\degree$  

 $\alpha\approx41\degree$  

 $\alpha\approx70\degree$  

 $\alpha\approx20\degree$  

 $\alpha\approx22\degree$  

 $\alpha\approx68\degree$  

$2,2^2+6,0^2=t^2$

$t^2+8,1^2=s^2$

$t^2+6,0^2=8,1^2$

$2,2^2+6,0^2=s^2$

$t^2+s^2=10,3^2$