Home
О нас
Products
Services
Регистрация
Войти
Поиск
nikit122
@nikit122
June 2022
1
1
Report
Помогите решить,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
uekmyfhfp
3. = ctg(10 pi + 3pi/4) * cos(14 pi + pi/3) * sin(8pi - 5pi/6) =
= ctg 3pi/4 * cos pi/3 * sin(- 5pi/6) = - 1 * 1/2 * (-1/2) = 1/4 = 0,25.
4.= (sin^2( 3pi + 55) - sin^2 35) / (sin(360 - 10) *cos(360+10)=
=(sin^2 55 - sin^2 35) / ( - sin10 * cos 10)=
= (cos^2 35 - sin^2 35) / (- 1/2 * sin20) = - 2 cos(2*35) / sin 20 = - 2 cos 70 / cos 70 = - 2.
5. = (cos20*cos40 + sin20* sin40) /(sin 20* cos 10 + cos 20*sin 10) =
=(cos40*cos20 + sin40* sin20) / (sin(20+10) =
=(cos(40 - 20)) / sin 30 =cos 20 / 1/2 = 2 cos 20
2 votes
Thanks 3
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
July 2022 | 0 Ответы
tex reshitepozhalujsta
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 "Помогите решить,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
= ctg 3pi/4 * cos pi/3 * sin(- 5pi/6) = - 1 * 1/2 * (-1/2) = 1/4 = 0,25.
4.= (sin^2( 3pi + 55) - sin^2 35) / (sin(360 - 10) *cos(360+10)=
=(sin^2 55 - sin^2 35) / ( - sin10 * cos 10)=
= (cos^2 35 - sin^2 35) / (- 1/2 * sin20) = - 2 cos(2*35) / sin 20 = - 2 cos 70 / cos 70 = - 2.
5. = (cos20*cos40 + sin20* sin40) /(sin 20* cos 10 + cos 20*sin 10) =
=(cos40*cos20 + sin40* sin20) / (sin(20+10) =
=(cos(40 - 20)) / sin 30 =cos 20 / 1/2 = 2 cos 20