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Given: A. sin(x) B. cos(x) C. cos(y) D. sin(y) Use the drop-down menus in the derivation of the sine sum identity: sin(x + y) = cos (StartFraction pi Over 2 EndFraction minus (x + y)) = Cosine ((StartFraction
answered
May 30, 2021
Mathematics
college
3
votes
75.7k
views
Other names for the germans sun
answered
May 4, 2021
German
middle-school
3
votes
191k
views
Decrease £28 by 7%? im stuck on my homework
answered
May 1, 2021
Mathematics
college
5
votes
115k
views
a container shaped like a right circular cylindar having diameter 6cm and height 7.5cm is full of ice cream.The ice cream is to be filled into cones of height 6cm and diameter 3cm,having a hemispherical
answered
Apr 21, 2021
Mathematics
middle-school
2
votes
71.0k
views
5. Suppose you have three identical drinking cups: one made of plastic, one foam, and one paper. You want to find out which cup will keep your hot cocoa hot for the longest time. a. Phrase a formal question
answered
Mar 19, 2021
Physics
high-school
1
vote
220k
views
-16 + 5n= -7(-6 + 8n) + 3
answered
Dec 13, 2020
Mathematics
middle-school
1
vote
46.6k
views
(edge) How did droughts and dust storms add to the problems farmers faced in the 1930s? Check all of the boxes that apply. Droughts deprived crops of the water they needed to grow. Dust storms flooded
answered
Aug 28, 2020
History
high-school
3
votes
44.8k
views
Which of these substances is matched with its correct organic group? A monosaccharides - lipids B enzymes - proteins C glycerol - carbohydrates D nucleotides - proteins
answered
Aug 9, 2020
Biology
high-school
4
votes
163k
views
Perhaps I have once again been too optimistic. Is organized religion too inextricably bound to the status quo to save our nation and the world? Perhaps I must turn my faith to the inner spiritual church,
answered
Apr 25, 2020
English
middle-school
6
votes
122k
views
Lava plateaus form when _____.
answered
Apr 8, 2020
Biology
middle-school
1
vote
106k
views
Taylor walks 7 miles in 2 hours. at what unit rate does taylor walk
answered
Apr 14, 2019
Mathematics
middle-school
2
votes
199k
views
What is the role of true government as Thomas Jefferson portrays it in The Declaration of Independence? A) to guide the nation into a lasting peace. B) to levy taxes and declare wars. C) to protect the
answered
Apr 7, 2019
English
high-school
6
votes
94.2k
views
Three numbers form a geometric progression. if 4 is subtracted from the third term, then the three numbers will form an arithmetic progression. if, after this, 1 is subtracted from the second and third
answered
Mar 7, 2019
Mathematics
high-school
2
votes
49.2k
views
What dilution of Staphylococcus is required if the initial concentration of the broth culture is 5.8*10^8 cells/ml and your goal is to have a spread plate with 98 colonies when 0.1ml is plated?
answered
Feb 22, 2019
Biology
middle-school
2
votes
140k
views
What natural resources are found in the northeast region
answered
Jan 22, 2019
Geography
high-school
3
votes
160k
views
¿Cómo era la vestimenta del mariachi tradicional?
answered
Jan 10, 2019
Spanish
college
2
votes
144k
views
Which of the formed elements of blood is primarily involved in gas exchange? White blood cells Red blood cells Platelets Plasma
answered
Dec 27, 2018
Health
high-school
6
votes
177k
views
Which is the best example of a theme? Sports participation can boost self-confidence. Many students prefer art or music to sports. Kids who play sports are nicer people. This story is about kids who play
answered
Nov 26, 2018
English
high-school
0
votes
30.2k
views
Which building is widely regarded as the first skyscraper? empire state building chrysler building woolworth building home insurance building?
answered
Oct 6, 2018
Business
high-school
4
votes
113k
views
Jorge has been feeling sluggish and having trouble concentrating in class. Which of these options would help him regain focus in a healthy way?
answered
Jul 20, 2018
Health
high-school
3
votes
65.4k
views
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