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aniked [119]
2 years ago
13

Find all the solutions in the interval [0,2π) sin²x = 2-2cosX

Mathematics
1 answer:
Finger [1]2 years ago
5 0

Step-by-step explanation:

sin²x = 2 - 2cosx

1 - cos²x = 2 - 2cosx (because sin²x + cos²x = 1)

cos²x - 2cosx + 1 = 0

(cosx - 1)² = 0

cosx - 1 = 0

cosx = 1

Hence x = 0.

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shutvik [7]

Answer:

522 m^2

Step-by-step explanation:

I've circles the numbers that you actually need to solve this problem.

First, find the area of the bigger rectangle by multiplying the length and width.

24*21=504

Then find the area of the smaller rectangle the same way

3*6=18

then add them to get the total area

504+18=522

522 m^2

7 0
3 years ago
Determine if equation has one solution ,no solution ,or an infinite number of solutions justify the answer
tangare [24]

Answer:

no solution

Step-by-step explanation:

- 4(x + 2) = - 4x - 5 ← distribute parenthesis on left side by - 4

- 4x - 8 = - 4x - 5 ( add 8 to both sides )

- 4x = - 4x + 3 ( add 4x to both sides )

0 = 3 ← False statement

This indicates the equation has no solution

8 0
2 years ago
How to turn an improper fraction to a mixed number
OLEGan [10]
Say you have 95 over 10. You put how many times 10 goes into 95, which is 9. Then you have 5 left over. You take 5 and put it over 10. You can simplify that to 1 over 2. Your mixed number would then be 9 and 1/2.

3 0
3 years ago
Read 2 more answers
Find the length of the longer side of race angle ABCD in the graph.
sergeinik [125]
You can easily count the number of units is on the longer side which is 9 units
3 0
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Find, in standard form l, the value of 59639÷0.087. Give your answer to 2sf.
marishachu [46]
Your answer should be 685505.75.
7 0
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