Home
О нас
Products
Services
Регистрация
Войти
Поиск
maree
@maree
August 2022
1
10
Report
Помогите решить уравнение CosX-SinX=1
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
кэтти98
Cosx-sinx=0
(cos²x/2)-(sin²x/2)-2(sinx/2)(cosx/2)=0 /-cos²x/2≠0
tg²(x/2)+2tg(x/2)-1=0
tgx/2=a
a2+2a-1=0
D=4+4=8
a1=(-2-2√2)=2=-1-√2⇒tgx/2=-1-√2⇒x/2=-arctg(1+√2)+πn⇒x=-2arctg(1+√2)+2πn
a2=(-2+2√2)=2=-1=√2⇒tgx/2=-1+√2⇒x/2=arctg(-1+√2)+πn⇒x=2arctg(-1+√2)+2πn
0 votes
Thanks 1
More Questions From This User
See All
maree
August 2022 | 0 Ответы
3 v odnom iz zahoronenij arheologi nashli massivnoe metallicheskoe ukrashenie d
Answer
maree
August 2022 | 0 Ответы
nuzhna pomosh pomogite pozhalujsta40b74a599659590dac10ebed4d1874da 30745
Answer
maree
August 2022 | 0 Ответы
pomogite reshit uravneniya 1 cosxcos2xcos3x0 2 cos2xcosx sinx
Answer
maree
July 2022 | 0 Ответы
chtoby udalit gvozd dlinoj 10 sm iz brevna neobhodimo prilozhit nachalnuyu silu9220de6041c65c22417fb2d3b4f99042 77087
Answer
maree
July 2022 | 0 Ответы
kogda odnorodnoe telo vzveshivayut v vozduhe pokazanie dinamometra 9 n a kogda vz
Answer
maree
July 2022 | 0 Ответы
m3 chtoby polnostyu pogruzit ldinu v vodu nado sovershit rabotu ravnuyu
Answer
maree
July 2022 | 0 Ответы
s soprotivlenie vozduha ne uchityvajte
Answer
maree
July 2022 | 0 Ответы
v trapecii abcd diagonal bd yavlyaetsya bissektrisoj ugla d bissektrisa ugla s pe
Answer
maree
July 2022 | 0 Ответы
treugolnik ves podobnyj s treugolnikom avs ae16sm se9sm ugol ves tupoj naj
Answer
maree
July 2022 | 0 Ответы
telo podbroshennoe vertikalno vverh proletaet mimo okna na vysote 6m dvazhdy s
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 "Помогите решить уравнение CosX-SinX=1..."
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
(cos²x/2)-(sin²x/2)-2(sinx/2)(cosx/2)=0 /-cos²x/2≠0
tg²(x/2)+2tg(x/2)-1=0
tgx/2=a
a2+2a-1=0
D=4+4=8
a1=(-2-2√2)=2=-1-√2⇒tgx/2=-1-√2⇒x/2=-arctg(1+√2)+πn⇒x=-2arctg(1+√2)+2πn
a2=(-2+2√2)=2=-1=√2⇒tgx/2=-1+√2⇒x/2=arctg(-1+√2)+πn⇒x=2arctg(-1+√2)+2πn