Naloge

1.

$\sin75^\circ=$ 0,9659

$\tan43,2^\circ=$ 0,9391

$\cos82^\circ$= 0,1392

$\cot41^\circ=$ 1,151

2.

$\sin\alpha=\frac{1}{5}$ $\alpha=$ 11,54 $^\circ$

$\cos\alpha=\frac{2}{3}$ $\alpha=$ 48,19 $^\circ$

$\tan\alpha=0,35$ $\alpha=$ 19,29 $^\circ$

3.

4.

Diagonala meri 8,06 cm, iskani kot pa 29,74 $^\circ$.

5.

$b=2\sqrt{6}$, $\beta=44,42^\circ$, $\alpha=45,58^\circ$

$b=2\sqrt{6}$, $\alpha=44,42^\circ$, $\beta=45,58^\circ$

$b=24$, $\beta=44,42^\circ$, $\alpha=45,58^\circ$

6.

Višina enakokrakega trapeza meri $v=$ 2,544 cm.

7.