Home
О нас
Products
Services
Регистрация
Войти
Поиск
pestov2000
@pestov2000
July 2022
1
8
Report
выручайте, добрые люди!
Объясните как перейти от: -(cosy + siny) = - √2, к: - (√2cos(π/4 - y) = - √2
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
mmb1
Verified answer
-√2*сos(π/4-y)= -√2*((cos(π/4)*cos(y) + sin (π/4)*siny) = -√2(√2/2*cosy + √2/2 siny) = -cosy - siny = -(cosy+siny)
стандартное преобразование
0 votes
Thanks 0
×
Report "4 - y) = - √2..."
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
-√2*сos(π/4-y)= -√2*((cos(π/4)*cos(y) + sin (π/4)*siny) = -√2(√2/2*cosy + √2/2 siny) = -cosy - siny = -(cosy+siny)стандартное преобразование