7sin21^circ/sqrt{3/2} eching

$$\frac { 7 \sin 21 ^ { \circ } } { \frac { \sqrt { 3 } } { 2 } }$$

Baholash

$$\frac{250857564681710189\sqrt{3}}{150000000000000000}\approx 2,89665365$$

Yechim qadamlari

Evaluate trigonometric functions in the problem

$$\frac{7 \cdot 0,35836794954530027}{\frac{\sqrt{3}}{2}}$$

2,50857564681710189 hosil qilish uchun 7 va 0,35836794954530027 ni ko'paytirish.

$$\frac{2,50857564681710189}{\frac{\sqrt{3}}{2}}$$

2,50857564681710189 ni \frac{\sqrt{3}}{2} ga bo'lish 2,50857564681710189 ga k'paytirish \frac{\sqrt{3}}{2} ga qaytarish.

$$\frac{2,50857564681710189\times 2}{\sqrt{3}}$$

\frac{2,50857564681710189\times 2}{\sqrt{3}} maxrajini \sqrt{3} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

$$\frac{2,50857564681710189\times 2\sqrt{3}}{\left(\sqrt{3}\right)^{2}}$$

\sqrt{3} kvadrati – 3.

$$\frac{2,50857564681710189\times 2\sqrt{3}}{3}$$

5,01715129363420378 hosil qilish uchun 2,50857564681710189 va 2 ni ko'paytirish.

$$\frac{5,01715129363420378\sqrt{3}}{3}$$

\frac{250857564681710189}{150000000000000000}\sqrt{3} ni olish uchun 5,01715129363420378\sqrt{3} ni 3 ga bo‘ling.

$$\frac{250857564681710189}{150000000000000000}\sqrt{3}$$