Issolvi 1003120+frac{sqrt{5}}{8}sin30

$$1003120 + \frac { \sqrt { 5 } } { 8 } \sin 30$$

Evalwa

$$\frac{\sqrt{5}}{16}+1003120\approx 1003120.139754249$$

Passi Qosra tas-Soluzzjonijiet

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

$$1003120+\frac{\sqrt{5}}{8}\times \frac{1}{2}$$

Immultiplika \frac{\sqrt{5}}{8} b'\frac{1}{2} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.

$$1003120+\frac{\sqrt{5}}{8\times 2}$$

Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika 1003120 b'\frac{8\times 2}{8\times 2}.

$$\frac{1003120\times 8\times 2}{8\times 2}+\frac{\sqrt{5}}{8\times 2}$$

Billi \frac{1003120\times 8\times 2}{8\times 2} u \frac{\sqrt{5}}{8\times 2} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.

$$\frac{1003120\times 8\times 2+\sqrt{5}}{8\times 2}$$

Agħmel il-multiplikazzjonijiet fi 1003120\times 8\times 2+\sqrt{5}.

$$\frac{16049920+\sqrt{5}}{8\times 2}$$

Espandi 8\times 2.

$$\frac{16049920+\sqrt{5}}{16}$$