Home
О нас
Products
Services
Регистрация
Войти
Поиск
iopy
@iopy
August 2022
2
7
Report
Докажите тождество: [tex]tg \alpha= \frac{1-cos2 \alpha }{sin2 \alpha } [/tex]
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
Amaimoon
Решение смотри на фото
1 votes
Thanks 1
ВладимирБ
Verified answer
Cos2a=cos²a-sin²a
sin2a=2sina*cosa
tga=1-(cos²a-sin²a)/2sina*cosa
Единицу представим как sin²a+cos²a :
tga=sin²a+cos²a-cos²a+sin²a/2sina*cosa
tga=2sin²a/2sin*cosa
tga=sin²a/sin*cosa
tga=sina/cosa
tga=tga
2 votes
Thanks 1
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]..."
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
Cos2a=cos²a-sin²asin2a=2sina*cosa
tga=1-(cos²a-sin²a)/2sina*cosa
Единицу представим как sin²a+cos²a :
tga=sin²a+cos²a-cos²a+sin²a/2sina*cosa
tga=2sin²a/2sin*cosa
tga=sin²a/sin*cosa
tga=sina/cosa
tga=tga