Home
О нас
Products
Services
Регистрация
Войти
Поиск
Dimon30555
@Dimon30555
July 2022
1
10
Report
помогите решить пожалуйста
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
Vas61
Sin(π/2-x)=cosx
cos(π/2+x)=-sinx
-2cosx·sinx=√3cosx
-2sinx=√3
sinx=-√3/2
x=(-1)ⁿarcsin(-√3/2)+πn
arcsin(-√/2)=-arcsin√3/2=-π/3
x=(-1)ⁿ⁺¹π/3+πn n∈Z
0 votes
Thanks 1
×
Report "помогите решить пожалуйста..."
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
cos(π/2+x)=-sinx
-2cosx·sinx=√3cosx
-2sinx=√3
sinx=-√3/2
x=(-1)ⁿarcsin(-√3/2)+πn
arcsin(-√/2)=-arcsin√3/2=-π/3
x=(-1)ⁿ⁺¹π/3+πn n∈Z