Home
О нас
Products
Services
Регистрация
Войти
Поиск
Andey921
@Andey921
July 2022
1
10
Report
Найдите наибольшее значение функции y=4x-4tgx+п-9 на отрезке [-п/4;п/4]
ответ:-5
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
sangers1959
Verified answer
Y=4x-4tgx+π-9 [-π/4;π/4]
y`=4-4/cos²=0
4(1-1/cos²x)=0
(cos²x-1)/cos²x=0 cos²x≠0 x≠π/2+πn
cos²x-1=0
cosx=1
x=2πn
-π/4<2πn<π/4
-1/4<2n<1/4
-1/8<n<1/8
n=0 ⇒x=0
y(0)=π-9≈-5,86
y(-π/4)=-π-4*(-1)+π-9=-5
y(π/4)=π-4+π-9=-13
Наибольшее значение этой функции: -5.
2 votes
Thanks 4
More Questions From This User
See All
Andey921
August 2022 | 0 Ответы
potok fotonov vybivaet iz metalla fotoelektrony maksimalnaya kineticheskaya energ
Answer
Andey921
August 2022 | 0 Ответы
nazovite proizvodnye ot sleduyushih slov perevedite ih electron operate compu
Answer
Andey921
August 2022 | 0 Ответы
obrazujte slova s prefiksom super i perevedite ih man power genius hot hard
Answer
Andey921
August 2022 | 0 Ответы
napishite glagoly sootvetstvuyushie sleduyushim slovam surprisingly difference eq
Answer
Andey921
August 2022 | 0 Ответы
dajte dlya sleduyushih slov a sinonimy to start movement nowadays quality res
Answer
Andey921
July 2022 | 0 Ответы
najti integral integrirovanie po chastyam
Answer
Andey921
July 2022 | 0 Ответы
napisat vyrazheniya zakona dejstviya mass dlya reakcii stv o2g so2g
Answer
Andey921
July 2022 | 0 Ответы
l vychislite ravnovesnuyu koncentraciyu azota
Answer
Andey921
July 2022 | 0 Ответы
kakova dlina volny sveta vybivayushego iz metallicheskoj plastinki fotoelektrony
Answer
Andey921
June 2022 | 0 Ответы
kakoj obyom pri nu zajmut 602h1021 molekul aazota bkisloroda
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 "4] ответ:-5..."
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
Y=4x-4tgx+π-9 [-π/4;π/4]y`=4-4/cos²=0
4(1-1/cos²x)=0
(cos²x-1)/cos²x=0 cos²x≠0 x≠π/2+πn
cos²x-1=0
cosx=1
x=2πn
-π/4<2πn<π/4
-1/4<2n<1/4
-1/8<n<1/8
n=0 ⇒x=0
y(0)=π-9≈-5,86
y(-π/4)=-π-4*(-1)+π-9=-5
y(π/4)=π-4+π-9=-13
Наибольшее значение этой функции: -5.