Home
О нас
Products
Services
Регистрация
Войти
Поиск
down
@down
July 2022
1
6
Report
Найти область значений функции
y = cos(x)/((cos(x/2)-sin(x/2))
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
sedinalana
Y=(cos²(x/2)-sin²(x/2))/(cos(x/2)-sin(x/2))=
=(cos(x/2)+sin(x/2))(cos(x/2)-sin(x/2))/(cos(x/2)-sin(x/2)=
=cos(x/2)+sin(x/2)=sin(π/2-(x/2))+sin(x/2)=
=2sinπ/4cos(π/4-(x/2))=2*√2/2cos(π/4-(x/2))=√2cos(π/4-(x/2)
E(y)∈√2*[-1;1]=[-√2;√2]
Ответ [-√2;√2]
0 votes
Thanks 0
More Questions From This User
See All
down
August 2022 | 0 Ответы
velichina ugla pri osnovanii ravnobedrennogo treugolnika ravna alfa pri kakom
Answer
down
August 2022 | 0 Ответы
3 naturalnoe
Answer
down
August 2022 | 0 Ответы
pomogite napisat pismo pro zhurnaly kak oni vliyayut na podrostkov horosho ili pl
Answer
down
August 2022 | 0 Ответы
kakogo znachenie pomeshikov v poeme mertvye dushi
Answer
down
August 2022 | 0 Ответы
adaptaciya u rastenij ili zhivotnyh prividite primery adaptacij kakogo nibud odn
Answer
down
August 2022 | 0 Ответы
pochemu chichikov glavnyj geroj v poeme mertvye dushi zachem avtor pishet ego biogra
Answer
down
August 2022 | 0 Ответы
mayatnik kolebletsya s chastotoj 10 gc chemu raven period kolebanij skolko koleba239c44bf28d1d55cc3ce1a4bb109b396 52737
Answer
down
August 2022 | 0 Ответы
1 kakuyu rol v romane igraet zhurnal pechorina 2 rasskazat o vzaimootnoshenie p
Answer
down
July 2022 | 0 Ответы
eto modul830d633d98f707b3d1405291a270437a 54227
Answer
down
July 2022 | 0 Ответы
kak otnositelno nulevogo meridiana i ekvatora raspolozhena belgiya
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))..."
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
=(cos(x/2)+sin(x/2))(cos(x/2)-sin(x/2))/(cos(x/2)-sin(x/2)=
=cos(x/2)+sin(x/2)=sin(π/2-(x/2))+sin(x/2)=
=2sinπ/4cos(π/4-(x/2))=2*√2/2cos(π/4-(x/2))=√2cos(π/4-(x/2)
E(y)∈√2*[-1;1]=[-√2;√2]
Ответ [-√2;√2]