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Mathematics, 10.05.2021 16:50 SoyAmbia

Find the magnitude of angle A if 4 sin a sin 2A + 1 - 2 Sin 2A is equal to 2 sin a​

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Find the magnitude of angle A if 4 sin a sin 2A + 1 - 2 Sin 2A is equal to 2 sin a​...
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