Home
О нас
Products
Services
Регистрация
Войти
Поиск
ghostkote
@ghostkote
August 2021
1
11
Report
номер 3 помогите пожалуйста умоляю, с решением
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
TARTILLO
Verified answer
Ctg (α/2) = 1/2 ⇒ tg (α/2) = 2
tg (α) = 2 tg (α/2)/(1-tg² (α/2))= 4/(1-2²)= -4/3
ctg (α) = -3/4
sinα= 2tg (α)/(1+tg²α)= 4/(1+4)=4/5
cosα= (1-tg² (α))/(1+tg²α)=(1- 4)/(1+4)=-3/5
1 votes
Thanks 1
More Questions From This User
See All
ghostkote
July 2022 | 0 Ответы
pomogite pozhalujsta umolyayu50b143851a68225dc679f9a0c05ca3ce 64254
Answer
ghostkote
July 2022 | 0 Ответы
lyuboj variant 2 nomera s resheniem i zhelatelno obyasneniem 30 ballov
Answer
ghostkote
August 2021 | 0 Ответы
test po obshestvoznaniyu
Answer
ghostkote
August 2021 | 0 Ответы
tema 2 lyuboj variant 20 ballov
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 "номер 3 помогите пожалуйста умоляю, с решением..."
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
Ctg (α/2) = 1/2 ⇒ tg (α/2) = 2tg (α) = 2 tg (α/2)/(1-tg² (α/2))= 4/(1-2²)= -4/3
ctg (α) = -3/4
sinα= 2tg (α)/(1+tg²α)= 4/(1+4)=4/5
cosα= (1-tg² (α))/(1+tg²α)=(1- 4)/(1+4)=-3/5