5/cos(45) eching

$$\frac{ 5 }{ \cos ( 45 ) }$$

Baholash

$$5\sqrt{2}\approx 7,071067812$$

Yechim qadamlari

Trigonometrik qiymatlar jadvaldan \cos(45) qiymatini oling.

$$\frac{5}{\frac{\sqrt{2}}{2}}$$

5 ni \frac{\sqrt{2}}{2} ga bo'lish 5 ga k'paytirish \frac{\sqrt{2}}{2} ga qaytarish.

$$\frac{5\times 2}{\sqrt{2}}$$

\frac{5\times 2}{\sqrt{2}} maxrajini \sqrt{2} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

$$\frac{5\times 2\sqrt{2}}{\left(\sqrt{2}\right)^{2}}$$

\sqrt{2} kvadrati – 2.

$$\frac{5\times 2\sqrt{2}}{2}$$

10 hosil qilish uchun 5 va 2 ni ko'paytirish.

$$\frac{10\sqrt{2}}{2}$$

5\sqrt{2} ni olish uchun 10\sqrt{2} ni 2 ga bo‘ling.

$$5\sqrt{2}$$