$\frac{\left|BC\right|}{\left|AB\right|}=\cos \angle B=\sin \angle A$  

 

$\frac{\left|FE\right|}{\left|FD\right|}=\cos \angle F=\sin \angle D$  

 

$\frac{\left|IH\right|}{\left|GH\right|}=\cos \angle H=\sin \angle G$  

 

$\frac{\left|JK\right|}{\left|JL\right|}=\mathrm{tg}\angle L$  

 

$\frac{\left|OM\right|}{\left|MN\right|}=\mathrm{tg}\angle N$  

 

$\frac{\left|RS\right|}{\left|PS\right|}=\sin \angle P=\cos \angle S$  

 

$\frac{\left|WT\right|}{\left|WU\right|}=\sin \angle U=\cos \angle W$  

 

$\frac{\left|XY\right|}{\left|YZ\right|}=\sin \angle Z=\cos \angle Y$