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Find the exact value.

Ask by Wells Vaughan. in the United States
Jan 24,2025

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Answer

The exact value is .

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Bonus Knowledge

To find the exact value of , we can use the double angle identity for sine:
Let . This means that .
Next, we need to find . Using the Pythagorean identity:
we can rearrange this to find :
Calculating :
Thus,
Now, taking the square root,
Now we have both and :
and .
Now we can apply the double angle formula:
Calculating this gives:
Thus, the exact value is:

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