Whakaoti i te 4*0626+3^2-2*0626*3*cos(30)

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

Aromātai

$$9$$

Ngā Upane Otinga

Whakareatia te 4 ki te 0, ka 0.

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

Whakareatia te 0 ki te 626, ka 0.

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

Tātaihia te 3 mā te pū o 2, kia riro ko 9.

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

Tāpirihia te 0 ki te 9, ka 9.

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

Whakareatia te 0 ki te 2, ka 0.

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

Whakareatia te 0 ki te 3, ka 0.

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

Whakareatia te 0 ki te 626, ka 0.

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

Tīkina te uara \cos(30) mai i te ripanga uara pākoki.

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

Ko te tau i whakarea ki te kore ka hua ko te kore.

$$9-0$$

Tangohia te 0 i te 9, ka 9.

$$9$$