y=2cos(9/2)(20^circ-x) eching

$$y=2 \cos ( \frac{ 9 }{ 2 } ) (20 ^ { \circ } -x)$$

x uchun yechish

$$x=-\frac{62500000000000y}{124614666716641}+20$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

Evaluate trigonometric functions in the problem

$$y = 2 \cdot 0,996917333733128 {(20 - x)}$$

1,993834667466256 hosil qilish uchun 2 va 0,996917333733128 ni ko'paytirish.

$$y=1,993834667466256\left(20-x\right)$$

1,993834667466256 ga 20-x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$y=39,87669334932512-1,993834667466256x$$

Tomonlarni almashtirib, barcha oʻzgaruvchi shartlar chap tomonga oʻtkazing.

$$39,87669334932512-1,993834667466256x=y$$

Ikkala tarafdan 39,87669334932512 ni ayirish.

$$-1,993834667466256x=y-39,87669334932512$$

Tenglamaning ikki tarafini -1,993834667466256 ga bo'lish, bu kasrni qaytarish orqali ikkala tarafga ko'paytirish bilan aynidir.

$$\frac{-1,993834667466256x}{-1,993834667466256}=\frac{y-39,87669334932512}{-1,993834667466256}$$

-1,993834667466256 ga bo'lish -1,993834667466256 ga ko'paytirishni bekor qiladi.

$$x=\frac{y-39,87669334932512}{-1,993834667466256}$$

y-39,87669334932512 ni -1,993834667466256 ga bo'lish y-39,87669334932512 ga k'paytirish -1,993834667466256 ga qaytarish.

$$x=-\frac{62500000000000y}{124614666716641}+20$$

y uchun yechish

$$y=-\frac{124614666716641x}{62500000000000}+39,87669334932512$$

Yechim qadamlari

Evaluate trigonometric functions in the problem

$$y = 2 \cdot 0,996917333733128 {(20 - x)}$$

1,993834667466256 hosil qilish uchun 2 va 0,996917333733128 ni ko'paytirish.

$$y=1,993834667466256\left(20-x\right)$$

1,993834667466256 ga 20-x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$y=39,87669334932512-1,993834667466256x$$