what is the formula of sin2A

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Abhishek Mishra

2 years ago

The general formula of sin 2A is, sin 2A = 2 sin A cos A. Using sin2A + cos2A = 1, we get cos A = √(1 - sin2A). Substituting this in the above formula, sin2A = 2 sin A √(1 - sin2A).

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