Math, asked by mani123gtujh, 2 days ago

cos4 0 - sin4 0 = cos2 - sin2 0 = 2 cos2 0 - 1=1-2 sin2 0

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Answered by himanshiagarwal261

2

Answer:

cos 4 0 - sin 4 0 = cos 2 - sin 2 0 = 2 cos2 0 - 1 = 1- 2 sin2 0

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