Home
О нас
Products
Services
Регистрация
Войти
Поиск
H1GH3LL
@H1GH3LL
July 2022
1
35
Report
2sin2x-sin^2x=3cos^2x
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
kirichekov
Verified answer
2sin2x-sin²x=3cos²x,
2*(2sinx*cosx)-sin²x-3*cos²x=0 |: cos²x≠0
4tgx-tg²x-3=0 тригонометрическое квадратное уравнение, замена переменной: tgx=y
-y²+4y-3=0. y₁=-3, y₂=1
обратная замена:
∈Z
∈Z
ответ:
n∈Z
18 votes
Thanks 51
More Questions From This User
See All
H1GH3LL
August 2022 | 0 Ответы
fxx2x 3 najti proizvodnuyu
Answer
H1GH3LL
October 2021 | 0 Ответы
reshite pozhalujsta20 ballov659231d216a05e086eab1b428eb902f6 26497
Answer
H1GH3LL
September 2021 | 0 Ответы
perevesti na russkijdayu 50 ballov
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 "2sin2x-sin^2x=3cos^2x..."
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
2sin2x-sin²x=3cos²x,2*(2sinx*cosx)-sin²x-3*cos²x=0 |: cos²x≠0
4tgx-tg²x-3=0 тригонометрическое квадратное уравнение, замена переменной: tgx=y
-y²+4y-3=0. y₁=-3, y₂=1
обратная замена:
∈Z
∈Z
ответ:
n∈Z