menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Prove the identity. cotx(1-cos2x)=sin2x Note that each Statement must be based on a Rule chosen from the Rule menu. To see a detailed description of a Rule, select the More Information Button to the right
asked
Mar 13, 2023
200k
views
0
votes
Prove the identity.
cotx(1-cos2x)=sin2x
Note that each Statement must be based on a Rule chosen from the Rule menu. To see a detailed description of a Rule, select the More Information Button to the right of the Rule.
Mathematics
college
Hiroaki
asked
by
Hiroaki
7.2k
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
1
vote
Prove that
Proof:
⇒
⇒
⇒
Multiply both sides by
,
≠ 0
⇒
⇒
⇒
⇒
⇒
⇒
⇒
Q.E.D.
Kyle Meyer
answered
Mar 17, 2023
by
Kyle Meyer
8.1k
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
Aug 7, 2018
172k
views
Which of the following is an identity? A. sin2x sec2x + 1 = tan2x csc2x B. sin2x - cos2x = 1 C. (cscx + cotx)2 = 1 D. csc2x + cot2x = 1 Edit: no one answered but I figured out that the right answer is
Luiscosta
asked
Aug 7, 2018
by
Luiscosta
8.3k
points
Mathematics
high-school
2
answers
5
votes
172k
views
asked
Jul 9, 2022
201k
views
Question 5 of 10 The expression (tanx + cotx)2 is the same as A. sec2x+ csc2x B. cos2x+ sin2x C. tan2x + cotax D. sec2x + cos2x
EGHM
asked
Jul 9, 2022
by
EGHM
7.8k
points
Mathematics
college
2
answers
12
votes
201k
views
asked
Mar 15, 2021
50.5k
views
Prove the identity. cos2x - sin’2x = 2 cos2x - 1 Note that each Statement must be based on a Rule chosen from the Rule menu. cos2x - sin’2x A. Algebra. B. Reciprocal. C. Quotient. D. Pythagorean. E. Odd/Even.
AliBZ
asked
Mar 15, 2021
by
AliBZ
8.0k
points
Mathematics
college
1
answer
5
votes
50.5k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
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)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org