(1/2)^-1+(pi+1)^0-2cos60^circ+sqrt{9} eching

$$( \frac { 1 } { 2 } ) ^ { - 1 } + ( \pi + 1 ) ^ { 0 } - 2 \cos 60 ^ { \circ } + \sqrt { 9 }$$

Baholash

$$5$$

Yechim qadamlari

-1 daraja ko‘rsatkichini \frac{1}{2} ga hisoblang va 2 ni qiymatni oling.

$$2+\left(\pi +1\right)^{0}-2\cos(60)+\sqrt{9}$$

0 daraja ko‘rsatkichini \pi +1 ga hisoblang va 1 ni qiymatni oling.

$$2+1-2\cos(60)+\sqrt{9}$$

3 olish uchun 2 va 1'ni qo'shing.

$$3-2\cos(60)+\sqrt{9}$$

Trigonometrik qiymatlar jadvaldan \cos(60) qiymatini oling.

$$3-2\times \frac{1}{2}+\sqrt{9}$$

1 hosil qilish uchun 2 va \frac{1}{2} ni ko'paytirish.

$$3-1+\sqrt{9}$$

2 olish uchun 3 dan 1 ni ayirish.

$$2+\sqrt{9}$$

9 ning kvadrat ildizini hisoblab, 3 natijaga ega bo‘ling.

$$2+3$$

5 olish uchun 2 va 3'ni qo'shing.

$$5$$