cos(pi/2)+{left(cos(pi/4)right)}^2 eching

$$\cos ( \frac{ \pi }{ 2 } ) + { \left( \cos ( \frac{ \pi }{ 4 } ) \right) }^{ 2 }$$

Baholash

$$\frac{1}{2}=0,5$$

Yechim qadamlari

Trigonometrik qiymatlar jadvaldan \cos(\frac{\pi }{2}) qiymatini oling.

$$0+\left(\cos(\frac{\pi }{4})\right)^{2}$$

Trigonometrik qiymatlar jadvaldan \cos(\frac{\pi }{4}) qiymatini oling.

$$0+\left(\frac{\sqrt{2}}{2}\right)^{2}$$

\frac{\sqrt{2}}{2}ni darajaga oshirish uchun, surat va maxrajni darajaga oshirib, keyin bo‘ling.

$$0+\frac{\left(\sqrt{2}\right)^{2}}{2^{2}}$$

Har qanday songa nolni qo‘shsangiz, o‘zi chiqadi.

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

\sqrt{2} kvadrati – 2.

$$\frac{2}{2^{2}}$$

2 daraja ko‘rsatkichini 2 ga hisoblang va 4 ni qiymatni oling.

$$\frac{2}{4}$$

\frac{2}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1}{2}$$

Omil

$$\frac{1}{2} = 0,5$$