Home
О нас
Products
Services
Регистрация
Войти
Поиск
SHKERA1
@SHKERA1
August 2022
1
12
Report
помогите решить пажалусто
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
amax777
2 ctg(5п/4) + sqr(3) tg(-5п/3) = ?
Отдельно:
ctg(5п/4) = cos(5п/4) / sin(5п/4) = [ - sqr(2)/2] / [ - sqr(2)/2] = 1
tg(-5п/3) = sin(-5п/3) / cos(-5п/3) = [ sqr(3)/2] / [ 1/2] = sqr(3)
2 ctg(5п/4) + sqr(3) tg(-5п/3) = 2 + sqr(3) sqr(3) = 2 + 3 = 5
0 votes
Thanks 1
SHKERA1
супер
×
Report "помогите решить пажалусто..."
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
Отдельно:
ctg(5п/4) = cos(5п/4) / sin(5п/4) = [ - sqr(2)/2] / [ - sqr(2)/2] = 1
tg(-5п/3) = sin(-5п/3) / cos(-5п/3) = [ sqr(3)/2] / [ 1/2] = sqr(3)
2 ctg(5п/4) + sqr(3) tg(-5п/3) = 2 + sqr(3) sqr(3) = 2 + 3 = 5