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Sin 2A is equal to

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The double angle formula for sine states that:

\[ \sin(2A) = 2 \sin(A) \cos(A) \]

This means that the sine of double the angle \(A\) is equal to two times the sine of angle \(A\) multiplied by the cosine of angle \(A\).

If you need further variations or applications of this formula, feel free to ask!

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