The meaning of $S i n 2 A$ and $2 S i n A$ is different.

True

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False

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Solution

The correct option is A True

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sin 2 A = 2 sin A

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Prove that ${sin}^{2} (\frac{A}{2}) + {sin}^{2} (\frac{B}{2}) + {sin}^{2} (\frac{C}{2}) = 1 - 2 sin (\frac{A}{2}) sin \frac{B}{2}) sin (\frac{C}{2})$ .

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The meaning of Sin2A and 2SinA is different.

The correct option is A True

The meaning of $S i n 2 A$ and $2 S i n A$ is different.