Home
О нас
Products
Services
Регистрация
Войти
Поиск
raufbarca
@raufbarca
August 2022
1
10
Report
Помогите с решением пожалуйста
tg a/2 + tg a + 2tg2a + 4tg4a + 8ctg8a
Решается с формулами двойного угла
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
армения20171
Tga/2+tga+2tg2a+4tg4a+8ctg8a=
( по формуле ctg2a=(ctga-tga)/2)
1)4tg4a+4ctg4a-4tg4a=4ctg4a
2)tga/2+tga+2tg2a+2(ctg2a-tg2a)=
tga/2+tga+2ctg2a=tga/2+tga+ctga-tga=
tga/2+ctga=tga/2+(ctga/2-tga/2)*1/2=
(tga/2+ctga/2)/2
2 votes
Thanks 2
More Questions From This User
See All
raufbarca
August 2022 | 0 Ответы
kto znaet otvetkaroch eto kak rebusvoprosmladsheklassnik reshil za 2 minutystar
Answer
raufbarca
July 2022 | 0 Ответы
srochnoo pomogite pozhalusta chislo edinic dvuznachnogo chisla na 2 bolshe chisla desya
Answer
raufbarca
July 2022 | 0 Ответы
vsem dobrogo vremenizadachka odnapropustil urokikaroch pozhalusta reshitezaranee
Answer
raufbarca
July 2022 | 0 Ответы
srochno pomogite pozhalujstazadajte putem perechisleniya elementov mnozhestvo a dvuz
Answer
raufbarca
July 2022 | 0 Ответы
vokrug sada pryamougolnoj formyploshadyu 2080 mpostroena ograda dlinoj 184 mna
Answer
raufbarca
July 2022 | 0 Ответы
naimenshee rasstoyanie mezhdu tochkoj peresecheniya dvuh kasatelnyh i okruzhnostyu ra
Answer
raufbarca
June 2022 | 0 Ответы
iz tochkiotstoyashej ot ploskosti na rasstoyanii 15 sm provedena k nej naklonnaya
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 "2 + tg a + 2tg2a + 4tg4a + 8ctg8a Решается с формулами двойного угла..."
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
( по формуле ctg2a=(ctga-tga)/2)
1)4tg4a+4ctg4a-4tg4a=4ctg4a
2)tga/2+tga+2tg2a+2(ctg2a-tg2a)=
tga/2+tga+2ctg2a=tga/2+tga+ctga-tga=
tga/2+ctga=tga/2+(ctga/2-tga/2)*1/2=
(tga/2+ctga/2)/2