Selesaikan sin(20)7/sin(80)

$$\frac{ \sin ( 20 ) 7 }{ \sin ( 80 ) }$$

Evaluasi

$$\frac{23941410032796809}{9848077530122080}\approx 2,431074487$$

Langkah Solusi

Evaluate trigonometric functions in the problem

$$\frac{0,3420201433256687 \cdot 7}{0,984807753012208}$$

Kalikan 0,3420201433256687 dan 7 untuk mendapatkan 2,3941410032796809.

$$\frac{2,3941410032796809}{0,984807753012208}$$

Kembangkan \frac{2,3941410032796809}{0,984807753012208} dengan mengalikan pembilang dan penyebut dengan 10000000000000000.

$$\frac{23941410032796809}{9848077530122080}$$

Faktor

$$\frac{7 \cdot 179 \cdot 25693 \cdot 743676121}{5 \cdot 443 \cdot 2399 \cdot 57915859 \cdot 2 ^ {5}} = 2\frac{4245254972552648}{9848077530122080} = 2,4310744873370247$$