menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Biểu thức sin²x + cos²x có giá trị bằng ?
asked
May 14, 2022
214k
views
1
vote
Biểu thức sin²x + cos²x có giá trị bằng ?
Mathematics
high-school
Novarg
asked
by
Novarg
7.5k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
7
votes
we have sin²x + cos²x = 1
ok done. Thank to me :>
Moritz Ringler
answered
May 20, 2022
by
Moritz Ringler
8.6k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jan 12, 2022
81.3k
views
2) Tìm các giá trị của x để biểu thức M = (x + 5).(x + 9) a) có giá trị dương. b) có giá trị âm
Kuntady Nithesh
asked
Jan 12, 2022
by
Kuntady Nithesh
8.1k
points
Mathematics
high-school
1
answer
0
votes
81.3k
views
asked
Jun 6, 2022
137k
views
Chủ nghĩa Mác-Lênin khẳng định: “Một cuộc cách mạng chỉ có giá trị khi nào nó biết tự bảo vệ và bảo vệ tổ quốc XHCN là một tất yếu khách quan”. Bằng những kiến thức đã học, Anh/ chị hãy phân tích làm rõ
Polka
asked
Jun 6, 2022
by
Polka
8.8k
points
History
college
1
answer
4
votes
137k
views
asked
Aug 20, 2022
223k
views
) Chứng minh rằng giá trị của biểu thức ((x-2√x)÷(√x-2) ) - ((x-4)÷√x+2)) không phụ thuộc vào giá trị của biến.
LeandroHumb
asked
Aug 20, 2022
by
LeandroHumb
7.9k
points
Mathematics
college
1
answer
5
votes
223k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity