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Afina-wow [57]
3 years ago
13

Use the product-to-sum identities to rewrite the following expression as a sum or difference.

Mathematics
1 answer:
PtichkaEL [24]3 years ago
3 0
Answer:

= cos4x

Explanation:

cosAcosB = [cos(A-B)+cos(A+B)]

Given: 2cos(2x)cos(2x)

= 2[cos(2x-2x)+cos(2x+2x)]

= 2cos4x^2
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So the answer is $136,800

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sladkih [1.3K]
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When subtracting decimals with the same sign you ______________.
Rus_ich [418]

Hey there!

Answer:\boxed{\text{Line up the decimal}}

Explanation:

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Hope this helps!

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3 years ago
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Plz help me!!<br><br>Identify the domain and range of each function​
Travka [436]

Answer:

Does this help I hope it does :D

How to find the domain and range of a function?

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.

Step-by-step explanation:

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