Home
О нас
Products
Services
Регистрация
Войти
Поиск
5ViSkaS5
@5ViSkaS5
August 2022
2
10
Report
Решить уравнение
_______________
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
NeZeRAvix
Verified answer
ОДЗ: x+π/6>0 ⇒ x>-π/6
С учетом ОДЗ:
Ответ:
2 votes
Thanks 1
5ViSkaS5
Спасибо <З
армения20171
{2sin²x-5sinx-3=0
{x+π/6>0
1)2sin²x-5sinx-3=0
sinx=t
2t²-5t-3=0
t=(5±7)/4
t1=3
t2=-1/2
sinx=3;x€∅
sinx=-1/2
x=(-1)ⁿ(-π/6)+πn
1)n чётний
x1=-π/6+2πk
2)n не чётний
x2=7π/6+2πn
2)x1+π/6>0
-π/6+2πk+π/6>0
2πk>0
k>0
x2+π/6>0
7π/6+2πn+π/6>0
8π/6+2πn>0
8π+12πn>0
n>-8π/12π
n>-2/3
n={0;1;2;3;...........}
[k={1;2;3;........};x1=-π/6+2πk
[n={0;1;2;3;. ...};x2=7π/6+2πn
1 votes
Thanks 1
5ViSkaS5
Спасибо ~~~
More Questions From This User
See All
5ViSkaS5
August 2022 | 0 Ответы
tex]...
Answer
5ViSkaS5
August 2022 | 0 Ответы
reshit uravneniec131bff5d8f8fd186e9f5e7cd1dad58f 24555
Answer
5ViSkaS5
July 2022 | 0 Ответы
dlya kakih imen lozhno vyskazyvanie pervaya bukva glasnaya poslednyaya bukva so
Answer
5ViSkaS5
July 2022 | 0 Ответы
skolko gramm v 5 mol kisloroda
Answer
5ViSkaS5
July 2022 | 0 Ответы
reshit uravneniea113c375a4e447408d685d2c85a642c5 7453
Answer
5ViSkaS5
July 2022 | 0 Ответы
naimenshee znachenie funkcii65c52188fb0960f710e30909321340f4 73541
Answer
5ViSkaS5
July 2022 | 0 Ответы
2 metilbuten 2 hbr
Answer
5ViSkaS5
July 2022 | 0 Ответы
pomogite raskryt temukomediya nedorosol vyrazhaet antikrepostnicheskie ideina
Answer
5ViSkaS5
July 2022 | 0 Ответы
kakovy vzaimootnosheniya kulturnyh i sornyh rastenij v agrocenoze 1 nejtralnye
Answer
5ViSkaS5
July 2022 | 0 Ответы
help1 yadernaya membrana i plazmolemma shodstva i razlichiya
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 "Решить уравнение _______________..."
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
ОДЗ: x+π/6>0 ⇒ x>-π/6
С учетом ОДЗ:
Ответ:
{x+π/6>0
1)2sin²x-5sinx-3=0
sinx=t
2t²-5t-3=0
t=(5±7)/4
t1=3
t2=-1/2
sinx=3;x€∅
sinx=-1/2
x=(-1)ⁿ(-π/6)+πn
1)n чётний
x1=-π/6+2πk
2)n не чётний
x2=7π/6+2πn
2)x1+π/6>0
-π/6+2πk+π/6>0
2πk>0
k>0
x2+π/6>0
7π/6+2πn+π/6>0
8π/6+2πn>0
8π+12πn>0
n>-8π/12π
n>-2/3
n={0;1;2;3;...........}
[k={1;2;3;........};x1=-π/6+2πk
[n={0;1;2;3;. ...};x2=7π/6+2πn