Home
О нас
Products
Services
Регистрация
Войти
Поиск
nikit122
@nikit122
July 2022
1
9
Report
[tex]cos2x-sin^{2} x=0,25 [/tex]
Решите,пожалуйста
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
rasimagaliullov
Косинус двойного угла
cos2α=cos²α-sin²α
sin
²
x+cos²x=1
(основное тригонометрическое тождество),
cos²x=1-sin²x
cos
²x-sin²x
-sin²x=0.25
1-sin²x-2sin²x=0.25
-3sin²x=-0.75
sin²x=0,25
sinx=0.5 sinx=-0.5
sinx=1/2 sinx=-1/2
x=π/6 x=-π/6
1 votes
Thanks 0
More Questions From This User
See All
nikit122
August 2022 | 0 Ответы
pomogite reshit logarifmypozhalujsta
Answer
nikit122
August 2022 | 0 Ответы
kak povysit proizvoditelnost v usloviyah ogranichennosti resursov
Answer
nikit122
July 2022 | 0 Ответы
pomogite reshit ceppozhalujsta
Answer
nikit122
July 2022 | 0 Ответы
pomogite reshit cepochkupozhalujstac6f98255eb5f8e0c43202699ac5529e0 9208
Answer
nikit122
June 2022 | 0 Ответы
pomogite reshitpozhalujstad7ad1968d06f32aaa2bc711f37063a9d 2383
Answer
nikit122
March 2022 | 0 Ответы
rasstavte zapyatye prozyabshie 1 vymokshie do nitki putniki 2 razveli slabyj 3
Answer
nikit122
August 2021 | 0 Ответы
pomogite reshitpozhalujsta06e840c8e93934e6cf94a85a6b33ca8b 51819
Answer
nikit122
May 2021 | 0 Ответы
pomogite reshit cepochkupozhalujsta
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 "tex] Решите,пожалуйста..."
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
sin²x+cos²x=1 (основное тригонометрическое тождество),
cos²x=1-sin²x
cos²x-sin²x-sin²x=0.25
1-sin²x-2sin²x=0.25
-3sin²x=-0.75
sin²x=0,25
sinx=0.5 sinx=-0.5
sinx=1/2 sinx=-1/2
x=π/6 x=-π/6