Home
О нас
Products
Services
Регистрация
Войти
Поиск
Shutilova
@Shutilova
September 2021
1
12
Report
Помогите со вторым, пожалуйста, у меня не выходит
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
oganesbagoyan
Verified answer
1)
По теореме косинусов:
AB²=BC²+AC²-2*BC*AC*cosC ;
AB²=(4√3)²+8²-2*4√(3) *8*cos30° =48+64 - 64*√(3)*√(3)/2 =112 -96 =16 =4²..
AB =4 .
2)
По теореме синусов:
AC/sinB =BC/sinA ;
AC = BC *sinB/sinA;
AC
=10*sin(180° -60°)/sin45° =10*sin60°/sin45° =10*(√3)/2
/ (
√2)/2 =10√3 / √2 =
5√6.
2 votes
Thanks 1
More Questions From This User
See All
Shutilova
August 2022 | 0 Ответы
h5 8 h1 pomogite s resheniem pozhalujsta
Answer
Shutilova
August 2022 | 0 Ответы
najti kolichestvo veshestva kon massoj 80g
Answer
Shutilova
July 2022 | 0 Ответы
dokazat 7 gt 3 a3a
Answer
Shutilova
July 2022 | 0 Ответы
skolko atomov soderzhitsya v 160g medi
Answer
Shutilova
July 2022 | 0 Ответы
pomote napisat rubai 2 shtuki tema svobodnaya esli chto rubai eto stih iz 4 h
Answer
Shutilova
June 2022 | 0 Ответы
pochemu glavnaya rol v processah preobrazovaniya energii prinadlezhit uglevodam
Answer
Shutilova
March 2022 | 0 Ответы
pomogite s resheniem pozhalujsta 2cosxcos2xcosx
Answer
Shutilova
March 2022 | 0 Ответы
pomogite s resheniem pozhalujsta cos4 x sin4 x 0
Answer
Shutilova
September 2021 | 0 Ответы
pomogite pozhalujstadokazat tozhdestvo cos4a tg2a sin4a tg2a
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 "Помогите со вторым, пожалуйста, у меня не выходит..."
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
1) По теореме косинусов:AB²=BC²+AC²-2*BC*AC*cosC ;
AB²=(4√3)²+8²-2*4√(3) *8*cos30° =48+64 - 64*√(3)*√(3)/2 =112 -96 =16 =4²..
AB =4 .
2) По теореме синусов:
AC/sinB =BC/sinA ;
AC = BC *sinB/sinA;
AC =10*sin(180° -60°)/sin45° =10*sin60°/sin45° =10*(√3)/2 / (√2)/2 =10√3 / √2 =5√6.