Issolvi 4*0626+3^2-2*0626*3*cos(30)

$$4 \times 0626+ { 3 }^{ 2 } -2 \times 0626 \times 3 \times \cos ( 30 )$$

Evalwa

$$9$$

Passi tas-Soluzzjonijiet

Immultiplika 4 u 0 biex tikseb 0.

$$0\times 626+3^{2}-0\times 2\times 3\times 626\cos(30)$$

Immultiplika 0 u 626 biex tikseb 0.

$$0+3^{2}-0\times 2\times 3\times 626\cos(30)$$

Ikkalkula 3 bil-power ta' 2 u tikseb 9.

$$0+9-0\times 2\times 3\times 626\cos(30)$$

Żid 0 u 9 biex tikseb 9.

$$9-0\times 2\times 3\times 626\cos(30)$$

Immultiplika 0 u 2 biex tikseb 0.

$$9-0\times 3\times 626\cos(30)$$

Immultiplika 0 u 3 biex tikseb 0.

$$9-0\times 626\cos(30)$$

Immultiplika 0 u 626 biex tikseb 0.

$$9-0\cos(30)$$

Ikseb il-valur ta’ \cos(30) mit-tabella tal-valuri trigonometriċi.

$$9-0\times \frac{\sqrt{3}}{2}$$

Xi ħaġa mmultiplikata b'żero jirriżulta f'żero.

$$9-0$$

Naqqas 0 minn 9 biex tikseb 9.

$$9$$