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Which of the following are identities? Check all that apply. A. 1- tan² x / 2 tan x = 1 / tan 2x B. (Sin x – cos x)² = 1 + sin 2x C. Sin 8x = 2 sin 4 x cos 4x D. Sin x + sin 5x / cos x + cos 5x = tan 3x
asked
Nov 10, 2024
Mathematics
high-school
1
answer
4
votes
209k
views
What is the knowledge about using machines and systems to convert, transmit, and apply energy?
asked
Nov 2, 2024
Physics
high-school
1
answer
0
votes
162k
views
The sentence, "And they had written small stories or essays or poems about it: I think the sun is a flower, that blooms for just one hour. That was Margot's poem, read in a quiet voice in the still classroom
asked
Aug 24, 2024
English
high-school
1
answer
5
votes
392
views
3. What does a flat do to a note? (1 point) O raises the note by one half step Olowers the note by one half step Omakes it a major chord O makes it a minor chord
asked
Apr 14, 2024
Arts
college
1
answer
1
vote
166k
views
Julio and jose are racing to the amusement Park on their bicycles. Julio rides 15 miles in 20 minutes and Jose rides 20 miles in 30 minutes. How fast did each go and who rode faster?
asked
Feb 1, 2024
Mathematics
college
1
answer
1
vote
31.1k
views
What is the solution to the equation 7.5z−3=10.5 ?
asked
Dec 7, 2023
Mathematics
college
2
answers
11
votes
170k
views
Roses are red, violets are blue. That's what I (1). when I met (2) A. (1) sang; (2) Ed B. 1) thought; (2) Lou C. (1) said; (2) Sue D. (1) yelled; (2) Wei Please help 20 points
asked
Sep 6, 2023
English
college
2
answers
3
votes
136k
views
5. Three men shared a sum of money among themselves. One received 1/3 of the amount; the other received 175 and the third received $112.00. How much money did they share?
asked
Aug 19, 2023
Mathematics
college
1
answer
9
votes
188k
views
Using the pencil,plot the point (-3,-6)
asked
Aug 17, 2023
Mathematics
college
2
answers
5
votes
165k
views
Steve has overdrawn his checking account by $27. His bank charged him $15 for an overdraft fee. Then he quickly deposited $100. What is his current balance?
asked
May 25, 2023
Mathematics
high-school
1
answer
1
vote
167k
views
Find all global maxima and minima values for the function y = x^2 + 54/x on the interval [1, 108).Global Maximum:Global Minimum:
asked
Apr 9, 2023
Mathematics
college
1
answer
3
votes
135k
views
Which of the following could be true if y ≤ -75?
asked
Dec 27, 2022
Mathematics
high-school
1
answer
5
votes
141k
views
Choose the expression that has 5 as an exponent, n as a base, and 7 as a coefficient
asked
Dec 5, 2022
Mathematics
college
1
answer
4
votes
162k
views
For every 3 green marbles James has, he has 2 yellow marbles. What is the ratio of green to yellow marbles? If James has 12 green marbles and 8 yellow marbles, draw a visual model to represent the total
asked
Sep 6, 2022
Mathematics
middle-school
1
answer
18
votes
29.1k
views
Why was religion important to Indian culture?
asked
Aug 21, 2022
Social Studies
high-school
1
answer
15
votes
179k
views
El secreto de Daniel es un número par menor que 10 pero mayor que 6 cuál es este número misterioso
asked
Aug 1, 2022
Mathematics
high-school
1
answer
4
votes
170k
views
When cold water rises to the surface what does it bring with it???
asked
Jun 14, 2022
Biology
high-school
2
answers
15
votes
127k
views
In ΔVWX, the measure of ∠X=90°, XW = 20, WV = 29, and VX = 21. What ratio represents the cosine of ∠W?
asked
May 12, 2022
Mathematics
high-school
1
answer
4
votes
161k
views
Do you believe that history repeats itself? In what ways?
asked
Apr 26, 2022
History
high-school
2
answers
5
votes
98.6k
views
Các nguồn âm có chung đặc điểm gì?
asked
Mar 14, 2022
Physics
high-school
2
answers
1
vote
142k
views
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