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Yuki888 [10]
3 years ago
15

Use a half-angle formula to find the exact value of the expression.

Mathematics
1 answer:
NARA [144]3 years ago
5 0

Step-by-step explanation:

The answer is

\sqrt{2}  - 1

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I can help you solve what you want in mathematics in exchange for some money. If you want to, you can inform me about it and I will help you.

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Answer:

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the rectangle is but the line is not because the line has to have another side !

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