Home
О нас
Products
Services
Регистрация
Войти
Поиск
anna260897
@anna260897
September 2021
1
15
Report
упростите выражение sin(Пи/2 + a) * cos(2Пи+a)+cos(3Пи/2 -a) * sin(a-3Пи) - sin^2a
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
Aigul9912
Воспользуемся формулами приведения:
sin(
π
/2 + a)=cosa
os(2
π
+a)=cosa
cos(3
π
/2 -a)=-sina
sin(a-3
π
)=-sin(2
π+π-а)=-sin(π-a)=-sina
sin(
π
/2 + a) * cos(2
π
+a)+cos(3
π
/2 -a) * sin(a-3
π
) - sin^2a=сosa*cosa-sina*(-sina)=cos
²a+sin²a=1
3 votes
Thanks 6
anna260897
благодарю!!!!!
More Questions From This User
See All
anna260897
September 2021 | 0 Ответы
h3 100h gt0
Answer
anna260897
September 2021 | 0 Ответы
7 5) 7 ?...
Answer
anna260897
September 2021 | 0 Ответы
najdite oblast opredeleniya funkcii foto
Answer
anna260897
September 2021 | 0 Ответы
2 15 kasaetsya paraboly uh2bx v tochke s abscissoj h4 najdite summu bc
Answer
anna260897
September 2021 | 0 Ответы
mnozhestvo reshenij neravenstva foto imeet vid
Answer
anna260897
September 2021 | 0 Ответы
najdite tga esli vypolnyaetsya ravenstvo 10tga 5tga sina 3sina 60
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 "2 -a) * sin(a-3Пи) - sin^2a..."
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 © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
sin(π/2 + a)=cosa
os(2π+a)=cosa
cos(3π/2 -a)=-sina
sin(a-3π)=-sin(2π+π-а)=-sin(π-a)=-sina
sin(π/2 + a) * cos(2π+a)+cos(3π/2 -a) * sin(a-3π) - sin^2a=сosa*cosa-sina*(-sina)=cos²a+sin²a=1