Mathematics
Senior High
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どうやって青から黄に式変形したのか教えてください🙇‍♂️

255 sin ¹0-cos¹0 2 2 2 = (sin ²0 + cos²0) (sin ²0-cos²0) 2 = sin ²0-cos²0 = sin ²0-(1-sin 20

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