$\text{a)}\sin 8^{\circ }=0,1392$  

$\text{b)}\cos 8^{\circ }=0,9903$  

$\text{c)}\text{tg}{32}^{\circ }=0,6249$  

$\text{d)}\sin {73}^{\circ }=0,9563$  

$\text{e)}\cos {86}^{\circ }=0,0698$