Home
О нас
Products
Services
Регистрация
Войти
Поиск
Асcоль
@Асcоль
August 2022
2
12
Report
Решите уравнение 2cos - cos^2 x = 0
Пожааалуйста
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
Dимасuk
Verified answer
2cosx - cos²x = 0
cosx(2 - cosx) = 0
cosx = 0
x = π/2 + πn, n ∈ Z
2 - cosx = 0
cosx = 2 - нет корней
Ответ: x = π/2 + πn, n ∈ Z.
2 votes
Thanks 0
Асcоль
Спасибо большое!
frost54321
Http://math-rus.ru/blog/primer_10_iz_zadanija_13_s1_profilnyj_uroven/2015-10-23-36 Тут решение
1 votes
Thanks 0
×
Report "Решите уравнение 2cos - cos^2 x = 0 Пожааалуйста..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
2cosx - cos²x = 0cosx(2 - cosx) = 0
cosx = 0
x = π/2 + πn, n ∈ Z
2 - cosx = 0
cosx = 2 - нет корней
Ответ: x = π/2 + πn, n ∈ Z.