Home
О нас
Products
Services
Регистрация
Войти
Поиск
zetakep
@zetakep
July 2022
1
1
Report
Вычисли значение выражения 3+cos2β, если cosβ=0,7
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
elena10201
Verified answer
Cos2β=-sin²β+cos²β=-1+2cos²β=2cos²β-1.
cosβ=0.7.
3+cos2β=3+2*0.49-1=3+0.98-1=2.98
10 votes
Thanks 20
More Questions From This User
See All
zetakep
July 2022 | 0 Ответы
6x 52x8gt142x reshite neravenstvo
Answer
zetakep
July 2022 | 0 Ответы
reshite sistemu neravenstvd74e947dbcb82ca4854e3f07de2c9ad1 47177
Answer
zetakep
July 2021 | 0 Ответы
najdite znachenie vyrazheniya4af115f97e014ad15225b69b2f310946 62905
Answer
zetakep
July 2021 | 0 Ответы
reshite sistemu uravnenij0210de888532472209ec626430c8bd2e 91275
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "Вычисли значение выражения 3+cos2β, если cosβ=0,7..."
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 © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Cos2β=-sin²β+cos²β=-1+2cos²β=2cos²β-1.cosβ=0.7.
3+cos2β=3+2*0.49-1=3+0.98-1=2.98