Question

2 sin 4 theta + 2 sin 2 theta × cos 2 theta = 1 - cos 4 theta
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Answer 1

Step-by-step explanation:

sin 4 theta + 2 sin 2 theta × cos 2 theta = 1 - cos 4 theta

sin 4 theta + 2 sin 2 theta × cos 2 theta = 1 - cos 4 theta

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