Home
О нас
Products
Services
Регистрация
Войти
Поиск
dar290
@dar290
July 2022
1
3
Report
Помогите пожалуйста! срочно
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
sharadi
Verified answer
А) Sin865°= Sin(90°*9 + 55°)= Cos55°
tg31π/4 = tg(8π - π/4) =- tgπ/4= -1
Sin11π/3 + Cos19π/3 =Sin(4π - π/3) + Cos(6π + π/3) = -Sinπ/3 + Cosπ/3 =
=-√3/2 + 1/2
б) Sin(13π -x) + Cos(5π/2+x) = Sinx -Sinx = 0
Sin²3π/2 + Cos²(5π - x) = 1 + Cos²x
tg(3π -x) tg(5π/2 +x) = -tgx*(-Ctgx) = 1
0 votes
Thanks 0
More Questions From This User
See All
dar290
July 2022 | 0 Ответы
srochno nuzhna pomosh1785d4b5aa4478ff2de8ff9c500af51d 51686
Answer
dar290
July 2022 | 0 Ответы
pomogite srochno nuzhnof19d2c0e37f686b0eded693fbfb469ab 27428
Answer
dar290
July 2022 | 0 Ответы
vychislite znacheniya vyrazhenij sin 865 gradusov tg 31 pi delenoe na 4 sin 11 p
Answer
dar290
July 2022 | 0 Ответы
pomogite pozhalujsta s algebroj47bdb46f32343f770074eaa05c8bad6e 90110
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 пожалуйста! срочно..."
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
А) Sin865°= Sin(90°*9 + 55°)= Cos55°tg31π/4 = tg(8π - π/4) =- tgπ/4= -1
Sin11π/3 + Cos19π/3 =Sin(4π - π/3) + Cos(6π + π/3) = -Sinπ/3 + Cosπ/3 =
=-√3/2 + 1/2
б) Sin(13π -x) + Cos(5π/2+x) = Sinx -Sinx = 0
Sin²3π/2 + Cos²(5π - x) = 1 + Cos²x
tg(3π -x) tg(5π/2 +x) = -tgx*(-Ctgx) = 1