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(Prove that): (cos 7A + cos 3A - Cos 5A - COS A) / (sin 7A - sin 5A - sin3A + sinA) = cot 2A
answered
Nov 9, 2021
Mathematics
high-school
6
votes
144k
views
I am so confused. I dont know where to begin
answered
Oct 21, 2021
Advanced Placement (AP)
college
5
votes
58.4k
views
Help me pleaseeeeee
answered
Apr 11, 2021
Mathematics
college
2
votes
84.0k
views
How do paragraphs 12-14 contribute to the overall structure of the story? A They introduce an important character in the story. Fancifoot B They develop Betty's character by showing how much she cares
answered
Feb 20, 2021
English
college
2
votes
90.9k
views
Naomi measured the floor of her bedroom, which is rectangular. It is 8 feet wide and 10 feet from one corner to the opposite corner. How long is the bedroom unit
answered
Feb 15, 2021
Mathematics
high-school
2
votes
77.0k
views
The dishwasher Marlin wants costs $720. This week only, the dishwasher is discounted by 25%. Marlin must pay 6% sales tax. Which saves the most money? A Adding on the sales tax and then taking the 25%
answered
Jan 9, 2021
Mathematics
high-school
4
votes
29.3k
views
A sofa regularly sells for $680. The sale price is $523.60. Find the percent decrease of the sale price from the regular price
answered
Oct 18, 2020
Mathematics
middle-school
6
votes
134k
views
A strong stock market depends on A)many investors speculating. B)many investors buying on margin. C)most consumers buying on credit. D)overall confidence in the economy.
answered
Sep 22, 2020
Social Studies
middle-school
5
votes
78.4k
views
Find the missing length
answered
Aug 18, 2020
Mathematics
middle-school
2
votes
182k
views
Let the sample space beUpper S equals StartSet 1 comma 2 comma 3 comma 4 comma 5 comma 6 comma 7 comma 8 comma 9 comma 10 EndSetS={1, 2, 3, 4, 5, 6, 7, 8, 9, 10}.Suppose the outcomes are equally likely.
answered
Jul 12, 2020
Mathematics
high-school
5
votes
227k
views
Find the circumference of the circle to the nearest 10th use 3.14 the radius is 25
answered
Mar 23, 2020
Mathematics
middle-school
3
votes
115k
views
The ____________ contains mitotic cells. the ____________ contains layers of compacted, highly keratinized epithelial cells. the ____________ is the part of the nail that can overhang the tip of the finger.
answered
Oct 30, 2019
Biology
high-school
5
votes
97.5k
views
What is a difference between Islam ethics and Kant's ethics?
answered
Oct 17, 2019
History
college
5
votes
103k
views
Help I need to do this on "Netbeans"!!!
answered
Aug 26, 2019
Computers and Technology
college
5
votes
87.8k
views
Is -5^2 equal to (-5)^2? A. Yes, because they both equal -25 B. Yes, because they both equal -10 C. Yes, because they both equal 25 D. No, because -5^2 equals -25 and (-5)^2 equals 25
answered
Aug 19, 2019
Mathematics
middle-school
3
votes
3.3k
views
Maggie has finished 12 out of 72 of her homework problems. Which fraction represents the ratio of finished problems to total problems?
answered
Jul 5, 2019
Mathematics
high-school
2
votes
79.7k
views
Answer these please thank u
answered
Nov 18, 2018
Mathematics
middle-school
1
vote
130k
views
Are you trying to lose weight, but have little will power? Our new super diet pill is just what you’ve been waiting for. Researchers from around the world have declared this fast-acting, appetite suppressant
answered
Jul 14, 2018
English
high-school
3
votes
38.1k
views
What is the definition of the word amino acid
answered
Jun 6, 2018
Biology
high-school
0
votes
209k
views
Why did students undergo military training?
answered
May 12, 2018
History
high-school
1
vote
58.7k
views
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